Mainframe

Mainframe Engineer Jobs

11 jobs found

4d ago

Senior Software Engineer

Genworth Richmond, VA

Richmond, VA

4d ago

$97k - $181k/yr Full time Backend Developer Senior CICS

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Job Description

Genworth offers a role where you support a long-term mission-critical system while working in a team that handles day-to-day operations, incident resolution, and continuous improvement. This Richmond, VA hybrid position is built around meaningful work, strong support for professional growth, and comprehensive total rewards.

You will support the CLOAS mainframe application for Long Term Care policy administration. In this role, you’ll help keep system health stable, resolve production incidents, and design and deliver changes using Agile practices.

Responsibilities

Support the Long Term Care policy administration system by monitoring operations, resolving failures and job abends, handling policy-related incidents and system defects, and maintaining application interactions with peripheral systems.
Analyze incidents reported by users to identify impact and develop solution proposals aligned to the correct approach.
Design, code, document, and test changes to meet acceptance criteria, avoid unintended impact, and fit within the overall technical architecture.
Support changes through testing, including test planning, defect resolution, and related technical system activities.
Implement solutions through the established change control process.
Create reports from system data to support business activities and meet regulatory and audit needs, including SOX audits.
Perform administrative and team responsibilities such as participating in meetings and Agile ceremonies (including Kanban Stand Ups and Inspect and Adapt sessions), responding to correspondence, providing status updates, reviewing/updating/submitting tickets, and participating in change management activities.
Take ownership of work and collaborate to complete incidents in a timely manner based on severity, impact, and urgency.
Assist team members with complex business and/or technical problems.
Provide technical guidance on complex programming topics.

Requirements

Bachelor’s degree and 5+ years of relevant experience with strong mainframe programming skills in COBOL, JCL, CICS, and IMS, plus production support experience (preferably in insurance or finance).
Excellent analytical and detail-oriented mindset, including the ability to understand complex business logic, analyze system and data, identify needed changes, and assess impact across products and system functionality.
Basic experience with SQL and data analysis.
Experience working in a cross-functional environment on complex mainframe systems, with strong problem-solving skills and a results-oriented approach.
Good communication skills with the ability to coordinate with stakeholders, manage concurrent deadlines, and handle multiple priorities.
A continuous improvement mindset, with willingness to adapt to new technologies and ways of working.

Technologies

COBOL, JCL, CICS, IMS, SQL, Web Services, MQ

Benefits

Comprehensive Healthcare Coverage
Multiple 401(k) Savings Plan Options
Auto Enrollment in Employer-Directed Retirement Account Feature (100% employer-funded)
Generous Paid Time Off, including 12 paid holidays, Volunteer Time Off, and Paid Family Leave
Disability, Life, and Long Term Care Insurance
Tuition Reimbursement, Student Loan Repayment, and Training & Certification Support
Wellness support including gym membership reimbursement and Employee Assistance Program resources (work/life support, financial & legal management)
Caregiver and Mental Health Support Services
Competitive Compensation & Total Rewards Incentives

NICE TO HAVE

Mainframe application migration experience to other platforms
Knowledge of Assembler
Practical knowledge of LTC insurance products and premiums
Experience in a managed services environment, working with an onshore-offshore model, managing to SLAs and work queues
Agile experience (Scrum or Kanban)
IMS database experience in an MVS and CICS environment
Exposure to Product Accelerator tool
Advanced SQL programming experience
Experience with modern mainframe development and testing tools
Knowledge of automated COBOL conversion tools

Additional Information

This role is not eligible for sponsorship.
Salary range: USD 96,700 - 181,000 per year (National Range: $96,700 - $145,000; High-Cost Range: $120,900 - $181,000).
In addition to base salary, the role is eligible to participate in a bonus incentive plan based on individual and company performance; it is not guaranteed.
Initial work is within the Service Operations team for the CLOAS application, responsible for day-to-day operations, maintaining system health, and implementing changes to support the business.
Reports to the Long-Term Care Policy Administration Service Operations Leader.
Position location: Richmond, VA hybrid. Hybrid schedule requires both Remote and In-Office days if you reside within 50 miles of a Genworth | CareScout office, with working hours targeting 9am-5pm EST.
Remote applicants must reside in states/locations under Eastern or Central Standard Time including: Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, and South.

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19d ago

Mainframe and Web Application Security Senior Engineer - Senior Penetration Tester

Information Technology Senior Management Forum Charlotte, NC

Charlotte, NC

19d ago

$140k - $180k/yr Full time Senior Cics Security Cybersecurity Tools

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Job Description

Lead penetration testing efforts for enterprise z/OS and mainframe-connected services, covering end-to-end security validation and evidence-backed reporting.

Responsibilities

Conduct black box, grey box, and assumed breach penetration tests across enterprise z/OS environments
Test security-relevant areas including USS (Unix System Services), external security manager subsystems (RACF, ACF2, Top Secret), and application/batch components
Assess transactional and application workloads including CICS, IMS, and db2, plus messaging via MQ
Evaluate batch execution flows including JCL and JES2, and interactive access via TSO/ISPF
Test network-facing services such as TN3270, FTP, Z/OS Connect, Rest APIs, and NJE
Use manual methods plus custom scripting and offensive tooling (including REXX, JCL, Assembler, and Python) to enumerate users/resources and map datasets
Attempt to access unprotected spool and job output and pursue exploit paths such as misconfigured CICS transactions and insecure interfaces
Evaluate exploitability and business impact to determine finding severity and risk using sound judgment
Produce documentation that includes reproduction steps, supporting evidence, impact statements, and practical remediation recommendations
Present and defend findings with application teams, mainframe engineers, technology leaders, risk partners, and other stakeholders
Validate remediation through retesting to confirm risk reduction and maintain testing evidence for audit, regulatory, and compliance requirements (including PCI DSS and SOX)
Partner with internal and external testing teams to improve mainframe testing coverage, methodologies, playbooks, tooling, automation, and repeatable processes
Perform peer reviews of penetration testing reports and provide technical guidance and mentorship
Maintain up-to-date knowledge of mainframe attack techniques, security controls, platform changes, offensive security practices, and relevant industry threats

Requirements

Bachelor’s degree or equivalent education, training, and work-related experience
Minimum 7 years of experience in security engineering or related cybersecurity roles
Deep specialized knowledge of cybersecurity principles, theories, and concepts
Proven experience with security practices across the software development lifecycle
Deep knowledge of threat modeling, security testing, and penetration testing
Experience implementing and managing complex information security technologies

Technologies

z/OS
USS (Unix System Services)
RACF, ACF2, Top Secret
CICS, IMS, db2, MQ
JCL, JES2, TSO/ISPF
TN3270, FTP, Z/OS Connect, Rest APIs, NJE
REXX, Assembler, Python
PCI DSS, SOX
OSCP, OSEP, OSWE, GPEN, GXPN

Benefits

Medical, dental, and vision insurance
Life insurance and disability insurance
Accidental death and dismemberment coverage
Tax-preferred savings accounts
401k plan
No less than 10 days of vacation (prorated based on hire date and full-time or part-time status) during the first year of employment
10 sick days (also prorated)
Paid holidays
Defined benefit pension plan (depending on position and division)
Restricted stock units (depending on position and division)
Deferred compensation plan (depending on position and division)

Preferred Qualifications

5+ years of penetration testing, red team, offensive security, vulnerability research, or related cybersecurity experience
Hands-on experience assessing mainframe environments, including z/OS and common security components such as RACF, ACF2, or Top Secret
Knowledge of mainframe architecture, identity and access management, privileged access, JCL, TSO/ISPF, CICS, Db2, network services, system configuration, and security hardening
Experience identifying and validating mainframe vulnerabilities, misconfigurations, excessive access, insecure interfaces, and attack paths between mainframe and distributed environments
Strong technical writing and communication skills, including ability to explain and defend findings to technical and non-technical audiences
Ability to independently manage multiple testing engagements, adjust priorities as requirements evolve, and drive work to completion
Experience developing scripts, automation, or AI-enabled tooling to streamline testing and improve repeatable process efficiency
Experience in banking, financial services, or another highly regulated industry
Relevant offensive security certifications: OSCP, OSEP, OSWE, GPEN, GXPN, or equivalent credentials

Location: Charlotte, NC (onsite)

Salary: USD 140,000 - 180,000 per year

Employment Type: Full-time

Benefits Eligibility Note: All regular teammates working 20 hours or more per week are eligible for benefits, though specific coverage may vary by division.

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20d ago

Mainframe and Web Application Security Senior Engineer - Senior Penetration Tester

Truist Bank Charlotte, NC 🇺🇸 Remote

Charlotte, NC

20d ago

$140k - $180k/yr Full time Application Security Cybersecurity Tools Identity and Access Management

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Job Description

Truist Bank is seeking a Senior Penetration Tester to lead advanced security assessments with a primary focus on enterprise mainframe environments, including z/OS. This role performs black box and grey box testing, documents and defends results, and works with engineering and risk partners to reduce exposure through repeatable testing methods and automation.

Responsibilities

Conduct black box, grey box, and assumed breach penetration tests of enterprise z/OS environments, including USS (Unix System Services) and external security manager subsystems such as RACF, ACF2, and Top Secret.
Assess mainframe workloads and technologies including CICS, IMS, Db2, MQ, batch processing using JCL and JES2, and TSO/ISPF usage.
Test network-facing services such as TN3270, FTP, Z/OS Connect, Rest APIs, and NJE.
Apply manual techniques and custom scripting using REXX, JCL, Assembler, and Python, along with offensive tooling to enumerate users and resources, map datasets, and evaluate access to unprotected spool and job output.
Exploit misconfigured CICS transactions and insecure interfaces, and leverage findings to assess exploitability and business impact.
Determine finding severity and risk using sound judgment based on evaluated exploitability and potential impact.
Document findings with clear reproduction steps, supporting evidence, impact statements, and practical remediation recommendations.
Present and defend technical findings in discussions with application teams, mainframe engineers, technology leaders, risk partners, and other stakeholders.
Perform validation and retesting to confirm remediation and risk reduction.
Maintain testing evidence to support audit, regulatory, and compliance requirements, including PCI DSS and SOX.
Partner with internal and external testing teams to improve mainframe testing coverage, methodologies, playbooks, tooling, automation, and repeatable processes.
Conduct peer reviews of penetration testing reports and provide technical guidance and mentorship to other security professionals.
Maintain current knowledge of mainframe attack techniques, security controls, platform changes, offensive security practices, and relevant industry threats.

Required Qualifications

Bachelor’s degree or equivalent education, training, and work-related experience.
Minimum of 7 years of experience in security engineering or related cybersecurity roles.
Deep specialized knowledge of cybersecurity principles, theories, and concepts.
Proven experience in software development lifecycle security practices.
Deep knowledge of threat modeling, security testing, and penetration testing.
Experience implementing and managing complex information security technologies.

Preferred Qualifications

Five or more years of penetration testing, red team, offensive security, vulnerability research, or related cybersecurity experience.
Hands-on experience assessing mainframe environments, including z/OS and common security components such as RACF, ACF2, or Top Secret.
Knowledge of mainframe architecture, identity and access management, privileged access, JCL, TSO/ISPF, CICS, Db2, network services, system configuration, and security hardening.
Experience identifying and validating mainframe vulnerabilities, misconfigurations, excessive access, insecure interfaces, and attack paths between mainframe and distributed environments.
Strong technical writing and communication skills, including the ability to explain and defend technical findings to technical and non-technical audiences.
Ability to independently manage multiple testing engagements, adjust approach as priorities and requirements evolve, and drive work to completion.
Experience developing scripts, automation, or AI-enabled tooling to streamline testing activities and improve repeatable processes.
Experience in banking, financial services, or another highly regulated industry.
Relevant offensive security certifications such as OSCP, OSEP, OSWE, GPEN, GXPN, or equivalent credentials.

Technology Stack

z/OS
USS (Unix System Services)
RACF, ACF2, Top Secret
CICS, IMS, db2, MQ
JCL, JES2, TSO/ISPF
TN3270, FTP, Z/OS Connect, Rest APIs, NJE
REXX, Assembler, Python

Compensation

Annual base salary: USD 140,000 - 180,000. Additional incentive pay is available for this position.

Benefits

Benefits eligibility for all regular teammates (not temporary or contingent workers) working 20 hours or more per week, with specific benefits determined by the division offering the position.
Medical, dental, vision, life insurance, disability, accidental death and dismemberment, tax-preferred savings accounts, and a 401k plan.
No less than 10 days of vacation during the first year of employment (prorated by date of hire and full-time or part-time status), along with 10 sick days (also prorated), and paid holidays.
May be eligible for Truist’s defined benefit pension plan, restricted stock units, and/or a deferred compensation plan depending on position and division.

Telecommuting and Workstyle

Telecommuting/remote workstyle may be considered for well-qualified individuals located outside of the Truist footprint.
Work hours will support Eastern Standard Time.

Work Authorization

For this opportunity, Truist will not sponsor an applicant for work visa status or employment authorization and will not offer immigration-related support for this position.

Location and Schedule

Location: Charlotte, NC (remote)
Work shift: 1st shift (United States of America)
Language fluency: English (Required)

Education

Bachelor’s degree or equivalent education, training, and work-related experience.

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1mo ago

Senior Mainframe Network Engineer | TCP/IP, SNA/APPN, IBM NetView & OMEGAMON

Experis Plano, TX

Plano, TX

1mo ago Closed

$70 - $73/hr Contract Senior Engineering Information Technology (IT)

This position is no longer accepting applications (closed Oct 29, 2026).

Job Description

Experis is seeking a Senior Mainframe Network Engineer to support mainframe network integrations within the Network Operations Department. The role focuses on TCP/IP and SNA/APPN connectivity, with an emphasis on operating and improving high-availability network services for business-critical transaction and batch-processing workloads.

This is a contract opportunity based in Plano, TX (onsite), with an hourly rate of $70–$73/hr. You will troubleshoot complex issues across multiple network layers and help modernize mainframe network architectures using observability, telemetry, and automation tools such as IBM NetView and IBM Omegamon.

Responsibilities

Engineer and operate robust network solutions supporting mainframe TCP/IP and SNA/APPN system integrations.
Optimize high-availability connectivity for high-velocity transactions and batch-processing systems.
Lead modernization of mainframe network architectures, including enhancements in observability and telemetry.
Advance automation and AI-assisted operations to reduce manual effort, improve consistency, and strengthen network reliability.
Diagnose and resolve complex issues across routing, switching, firewalls, load balancers, and mainframe network stacks.

Requirements

Extensive experience supporting enterprise-scale networks with high availability and reliability requirements.
Strong foundational expertise in TCP/IP, including OSPF, EIGRP, and Layer 2 technologies such as VLANs and EtherChannel/Portchannel.
Proficiency in packet trace analysis and multi-layer troubleshooting techniques.
Experience supporting SNA/APPN networking environments.
Working knowledge of switches, firewalls, load balancers, VPNs, certificates, TLS/SSL, and REST APIs, along with automation tools such as IBM Netview and IBM Omegamon.

Technologies

TCP/IP, SNA/APPN
OSPF, EIGRP
VLANs, EtherChannel/Portchannel
Packet trace analysis
Switches, firewalls, load balancers, VPNs
Certificates, TLS/SSL
REST APIs
IBM Netview, IBM Omegamon

Benefits

Medical and Prescription Drug Plans
Dental Plan
Vision Plan
Health Savings Account
Health Flexible Spending Account
Dependent Care Flexible Spending Account
Supplemental Life Insurance
Short Term and Long Term Disability Insurance
Business Travel Insurance
401(k), Plus Match
Weekly Pay

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2mo ago

Mainframe Cybersecurity Software Engineer

Motion Recruitment Plano, TX

Plano, TX

2mo ago Closed

Full time Application Security COBOL Cybersecurity Tools

This position is no longer accepting applications (closed Sep 17, 2026).

Job Description

Motion Recruitment is hiring a Mainframe Cybersecurity Software Engineer in Plano, TX (onsite) to combine secure software engineering with modernization of a low-code application generation platform.

Responsibilities

75% hands-on development and security engineering
25% customer interaction, mentoring, collaboration, and technical leadership
35% COBOL development
30% C development
20% Java development
15% security engineering focused on TLS and authentication technologies

Requirements

Strong background in secure software development and secure coding practices
12+ years of software engineering experience
Expertise developing enterprise applications on z/OS and mainframe platforms
Strong programming skills in COBOL, C, and Java
Experience modernizing legacy applications while maintaining security and reliability
Knowledge of authentication, authorization, cryptography, and secure application architecture
Experience implementing secure communications and TLS-based solutions
Understanding of hybrid environments spanning mainframe and distributed systems
Strong troubleshooting and software design skills
Bachelor’s degree required

Technologies

COBOL
C
Java
z/OS
Linux
Windows
TLS

Desired Skills & Experience

Experience with code generation or low-code application platforms
Knowledge of RACF or other enterprise security integrations
Experience developing dynamically linked security libraries
Familiarity with Windows and Linux application environments
Experience with interlanguage communication such as COBOL-to-C integrations
Customer-facing consulting, training, or presentation experience
Conference speaking or technical evangelism experience
Experience helping enterprise customers implement security best practices

Benefits

Medical, Dental, and Vision Insurance
Vacation Time
Stock Options
Bonus eligible

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2mo ago

Sr Mainframe Developer / Engineer

Vytwo Dallas, TX

Dallas, TX

2mo ago Closed

Full time Senior CICS COBOL

This position is no longer accepting applications (closed Sep 16, 2026).

Job Description

Vytwo is hiring a Sr Mainframe Developer / Engineer for a hybrid role in Dallas, TX. This position emphasizes strong banking context and deep experience across mainframe development, data modeling, and test data management, with flexible work from home options available.

What you’ll do

Work with business stakeholders, Product Owners, SMEs, analysts, and development teams to understand business processes, data requirements, source systems, mappings, and data consumption needs.
Translate business rules and processes into logical and physical data models, source-to-target mappings, and data integration specifications.
Define and implement test data strategies for functional, regression, integration, performance, automation, and modernization testing.
Design and govern reusable test data patterns, including provisioning approaches, data masking strategies, synthetic data solutions, and environment refresh processes.
Apply data modeling principles covering entities, attributes, relationships, schemas, primary and foreign keys, indexes, constraints, and database design standards.
Read and analyze ERDs, database schemas, data dictionaries, and end-to-end data flow diagrams to identify dependencies and business impact.
Perform data discovery and mining across databases, tables, files, and source systems using SQL, Easytrieve, and other query and extraction tools.
Validate data quality, integrity, consistency, and accuracy by reviewing relationships, transformation logic, reconciliation outcomes, and business rules.
Support data movement and integration patterns across real-time and batch processing, including event-driven architectures, APIs, messaging queues, data pipelines, and file-based interfaces.
Partner with architecture, development, testing, and operational teams on data analysis, problem resolution, impact assessments, test automation enablement, and modernization initiatives.
Ensure test data solutions meet data privacy, protection, retention, classification, and regulatory requirements for sensitive customer and financial information.
Document data models, test data design patterns, source-to-target mappings, provisioning processes, and standards so solutions can be reused across enterprise efforts.

What you bring

Banking experience is a must
10+ years experience is a must
Strong mainframe and database skills, including COBOL, CICS, DB2, DB2 utilities, SQL, JCL, MVS utilities, and production support
Experience using the CA7 scheduling tool
Ability to analyze the as-is and design the to-be, using Jira
Bachelor’s degree in Computer Science, Information Technology, Data Management, Engineering, or a related field (or equivalent practical experience)
Proven experience in data analysis, data architecture, database design, test data management, quality engineering, or software delivery
Ability to write and optimize SQL queries for discovery, validation, reconciliation, and troubleshooting
Experience analyzing relational databases, mainframe data structures, files, batch jobs, APIs, and downstream data consumers
Strong communication skills, including explaining complex data concepts to technical and non-technical stakeholders
Experience collaborating in Agile delivery environments across product, engineering, quality, architecture, and operations teams

Technologies

COBOL, CICS, DB2, SQL, JCL, MVS Utilities
CA7, Jira, Easytrieve, SPUFI
DB2 utilities, SQL Server, Oracle, PostgreSQL

Benefits

Flexible work from home options available

Preferred

Banking domain knowledge (payments, credit card, deposits, lending, or customer/account data)
Strong experience across data analysis, data architecture, database design, and test data management
Experience writing and optimizing SQL for data discovery, validation, reconciliation, and troubleshooting
Experience analyzing relational databases, mainframe data structures, files, batch jobs, APIs, and downstream data consumers
Understanding of core banking platforms, transaction processing flows, customer/account hierarchies, and regulatory reporting requirements
Ability to trace and map data across upstream and downstream applications, databases, files, APIs, and enterprise data platforms
Familiarity with batch and real-time processing architectures and data movement across interconnected banking systems
Preference for enterprise test data management platform experience, including data masking, synthetic data generation, data subsetting, and automated data provisioning
Understanding of data governance, data classification, retention, and regulations for storage, transmission, and protection of sensitive customer and financial data

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3mo ago

Sr Lead Software Engineer - Artificial Intelligence

JPMorganChase Plano, TX

Plano, TX

3mo ago Closed

Full time Backend Developer Senior APIs

This position is no longer accepting applications (closed Aug 20, 2026).

Job Description

JPMorganChase is seeking a Senior Lead Software Engineer - Artificial Intelligence to design, build, and operate AI toolchains that modernize mainframe processing by translating COBOL, JCL, and DB2 logic into production-ready services. This onsite role in Plano, Texas places you at the intersection of software engineering and advanced AI, collaborating with domain experts to ensure reliable, auditable migration of critical financial workflows. The position blends hands-on development with leadership in agent-based translation, verification, and runtime evolution for complex processing domains.

Responsibilities

Architect and maintain the specification-generation pipeline, enabling artifact ingestion of COBOL sources, JCL, job schedules, DB2 schemas, and SME knowledge; design chunking strategies and RAG pipelines to produce structured calculation and workflow specifications validated by domain experts.
Designs and implements multi-agent workflows that translate legacy COBOL/JCL logic into target-state Kotlin/JVM code, building orchestration layers, tool-use patterns, and guardrails to ensure correctness of financial calculations.
Establishes evaluation and verification infrastructure, including automated test harnesses that compare migrated results with legacy outputs, parity testing, regression suites, and confidence scoring to inform production cutover decisions.
Contributes to the standard calculation runtime by shaping and extending the target platform where migrated calculations deploy, ensuring deterministic, immutable, auditable execution.
Collaborates with domain SMEs across Credit, Money Market & Mutual Funds, Statements & Tax, and IBOR to validate agent outputs, refine prompt strategies, and close knowledge gaps in specifications.
Extends ETL and CDC pipelines for agent workflows by building and integrating event sourcing, CDC, and data pipelines that map upstream and downstream dependencies for end-to-end migrated processes.
Operates AI systems in production, owning LLMOps for deployment, monitoring, cost management, latency optimization, token budgeting, and incident response to ensure 24/7 reliability and compliance.
Performs rapid iterative development cycles, prototyping quickly, instrumenting metrics, and making data-driven decisions about agent architectures, model selection, and prompt strategies.
Contributes to shared tooling and infrastructure by building reusable libraries, evaluation harnesses, prompt templates, and orchestration patterns that scale AI capabilities across all four core processing domains.

Requirements

5+ years of software engineering experience shipping production systems
2+ years hands-on experience building LLM-based applications — agentic architectures, RAG pipelines, prompt engineering, and evaluation frameworks
Strong software engineering fundamentals in distributed systems, event-driven architectures, API design, testing practices, and cloud platforms (AWS/EKS/ECS)
Expert proficiency with AI-assisted development tools (Claude Code, GitHub Copilot, Cursor) as part of daily workflow
Production experience with at least one of Kotlin/JVM(Java), Python, Rust
Demonstrated ability to operate and debug complex systems
Clear communicator who can articulate technical trade-offs to engineers and business stakeholders
Experience with code migration