SCI

SCI Engineer Jobs

3 jobs found

1mo ago

Data Engineer - Active TS/SCI

General Dynamics Information Technology Washington, DC

Washington, DC

1mo ago Closed

$119k - $161k/yr Full time Active Data Data Engineer

This position is no longer accepting applications (closed Jul 21, 2026).

Job Description

Benefits

Growth: AI powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, competitive pay, and paid time off
Community: Award winning culture of innovation and a military friendly workplace

Responsibilities

Identify and implement internal process improvements, redesigning infrastructure for scalability, optimizing data delivery, and automating manual tasks
Develop and design data pipelines to support an end to end solution
Develop and maintain artifacts such as schemas, data dictionaries, and ETL transforms
Integrate data pipelines with AWS cloud services to derive meaningful insights
Collaborate with stakeholders to support data infrastructure needs and assist with data related technical issues
Design and develop robust dataflows to support raw data and expected data
Provide Tier 3 technical support for deployed applications and dataflows
Define and communicate a clear product vision for client software products, aligning with user needs and business objectives
Create and manage product roadmaps that reflect innovation and growth strategies
Partner with a government product owner and a product team of 7-8 FTEs
Collaborate with the data engineering team to design and launch new features
Coordinate and document dataflows, capabilities, and related artifacts
Occasionally support off hours deployments such as evenings or weekends as needed

Requirements

5+ years of experience
Bachelor’s degree or equivalent practical experience
Expertise in distributed computing frameworks for large scale data processing
Familiarity with Amazon Web Services (AWS) or other cloud environments
Experience with datastores such as PostgreSQL, S3, Redshift, MongoDB/DynamoDB, Redis, Elasticsearch/OpenSearch, and SQL
Proficient in Python with libraries including pandas and PySark, NiFi, Airflow, AWS Lambda or similar technologies
Working knowledge of Docker, Kubernetes, JMS/SQS, SNS, and Kafka
Experience with Linux/Unix server environments
Experience with Agile development methodology
Experience publishing and/or presenting design reports
Ability to coordinate with team members to reach project milestones and deadlines
Working knowledge of Jira and Confluence
Must be able to obtain and maintain a DHS EOD (Entry On Duty)

Technologies

AWS
PostgreSQL
S3
Redshift
MongoDB
DynamoDB
Redis
Elasticsearch/OpenSearch
SQL
Python
pandas
PySark
NiFi
Airflow
AWS Lambda
Docker
Kubernetes
JMS
SQS
SNS
Kafka
Linux
Unix
Jira
Confluence
GovCloud
DevOps
Object Oriented Programming languages
Scripting

Work requirements

5 + years of related experience
May vary based on technical training, certifications, or degree
Travel Required: None
Citizenship: U.S. Citizenship Required
Must be able to obtain and maintain a DHS EOD

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2mo ago

Sr. Software Engineer TS/SCI Polygraph

Leidos Alexandria, VA

Alexandria, VA

2mo ago Closed

$131k - $237k/yr Full time Backend Developer Python Senior

This position is no longer accepting applications (closed Jun 23, 2026).

Job Description

Senior Software Engineer with an active TS/SCI polygraph is required for an onsite role in Alexandria, VA, focusing on the SDLC within an agile enterprise environment, and leveraging Java, Python, and web UI development with a security-oriented remit.

Responsibilities

Engage in daily stand-ups, Sprint Planning, PI Planning, and related team activities; analyze complex system requirements, utilize design tools, and document using formal specifications and data flow diagrams to ensure modular, efficient, reliable, and reusable code.
Provide software process management and control across the coding portion of the development lifecycle; promote code reuse and cross-program collaboration to reduce maintenance costs by creating common functions and shared actions for developers and testers.
Develop, tune, and document automation scripts in the development environment and deploy them to test and production environments.
Implement robust testing following Behavior-driven Development patterns, leveraging DevOps automation and, where appropriate, commercial test automation tools.
Contribute to server-side business logic development as well as client web application and UI development, with opportunities spanning Java, Python, embedded C/C++, Java cryptographic framework, XML, and web UI technologies such as Angular, JavaScript, CSS, and HTML; plus potential work on special purpose devices.

Requirements

Active TS/SCI Polygraph is required up front with no exceptions.
Bachelor’s degree or Master’s degree with corresponding years of experience (BS with 12–15 years, or MS with 10–13 years); additional experience may substitute for a degree.
Proven experience with Java development.
Familiarity with multiple Java frameworks, including Spring (Boot and Data), JEE (JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, and JavaFX.
Experience or familiarity with several languages such as JavaScript, Python, C/C++, Groovy, and SQL.
Hands-on experience with development IDEs (Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm).
Experience with databases such as Oracle, PostgreSQL, MongoDB, and SQL Server.
Knowledge of Web UI development, databases and data structures, Spring framework, and experience with AngularJS, JSON, HTML, XML, and XSLT.
Experience with software source control and configuration management tools.
Experience with cryptographic system technologies, including symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, and digital signatures.
Experience developing on Windows and/or Linux operating systems.
Documented professional experience with web services.
Strong understanding of sound software development principles and practices.
Ability to plan and prioritize personal tasks and communicate effectively, both verbally and in writing.
Independent thinker capable of delivering high-quality work independently and within a fast-moving team environment.

Technologies

Java, Python, C/C++, Groovy
Java cryptographic framework, XML, JSON, XSLT
Angular, AngularJS, JavaScript, CSS, HTML
Spring (Boot, Data), JEE, JPA, EJB, JTA, Servlet
Jackson, Jersey, Swing, JavaFX
SQL, Oracle, PostgreSQL, MongoDB, SQL Server
Eclipse, Visual Studio Code, Visual Studio, WebStorm, Rhapsody
Tomcat, WebLogic, JBoss; Docker, Podman, Kubernetes, OpenShift
Bootstrap, JQuery, JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber
UFT, Selenium, FITNesse; Maven, CMake, RPM, Jenkins, Nexus
Windows, Linux; Web services; ASN.1 encoding; XML canonicalization; digital signatures

Benefits

Competitive compensation
Health and Wellness programs
Income protection
Paid leave
Retirement benefits

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3mo ago

Engineer (Electrical, Facilities, Industrial, Mechanical, Chemical, Systems, or Nuclear) TS Clearance with SCI Eligibility

JFL Consulting LLC Reston, VA

Reston, VA

3mo ago Closed

$165k - $185k/yr Full time Electrical Engineering Chemical Eligibility

This position is no longer accepting applications (closed May 9, 2026).

Job Description

This on-site engineering role in Reston, VA offers a comprehensive benefits package and a collaborative environment focused on delivering high-impact solutions for the Intelligence Community and the Department of Defense. The position carries a competitive annual salary and the opportunity to contribute to mission-critical projects while working alongside subject matter experts. It requires active Top Secret clearance with SCI and CI polygraph eligibility and is anchored in a supportive, team-oriented culture.

Benefits

Salary range: $165,000 to $185,000 per year
100% employer-paid medical, dental, and vision premiums for employees and dependents
Flexible Spending Accounts for healthcare, dependent care, and commuter needs
100% employer-paid life insurance, short-term disability, and long-term disability
401(k) plan with immediate vesting of company contributions
Generous paid time off: 15 vacation days, 5 sick days, 2 personal days, and 11 holidays
On-site role in Reston, VA with travel up to 10% on short notice

Responsibilities

Collaborate with subject matter experts to tackle complex IC and DoD engineering challenges
Lead projects and teams in a non-management capacity, guiding technical work and deliverables
Partner with colleagues to develop new methodologies, tools, and products for deliberate planning and crisis support operations
Contribute across multiple areas, including:
- Reverse engineering of facilities, hardened structures, infrastructure, equipment, and networks (chemical, biological, nuclear, and utility systems)
- Criticality node identification
- Vulnerability analysis
- System analysis and modeling (cumulative and combined effects)
- High performance computing and multi-physics simulations (CFD, FEM, etc.)
- Damage mechanism propagation and modeling of damage effects
- Equipment fragility and reconstitution analysis
- Materials analysis
- Test and evaluation to verify and validate modeling and engineering capabilities
Perform other duties as assigned

Requirements

Active Top Secret clearance with SCI and CI polygraph eligibility
Bachelor’s degree in engineering or a related technical field; or five years of directly related operational experience in lieu of a degree
Minimum five years of experience designing, installing, maintaining, and/or repairing multiple industrial systems (mechanical, electrical, and/or controls)
Working knowledge of cooling, heating, ventilation, industrial water, wastewater, power, inert gas, compressed/instrument air, hydraulic, and/or fuel systems
Excellent written and verbal communication skills with ability to produce technical reports, presentations, and briefings for technical and non-technical audiences
Travel up to 10% with ability to travel on short notice

Preferred Skills

Experience supporting an engineering or utility department for installations, facilities, or vessels (for example, a ship’s engine room)
Experience with nuclear, chemical, petrochemical, or manufacturing facilities
Operational experience in plant processing, including startup, operations, and safety procedures

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SCI Engineer Jobs

Data Engineer - Active TS/SCI

Sr. Software Engineer TS/SCI Polygraph

Engineer (Electrical, Facilities, Industrial, Mechanical, Chemical, Systems, or Nuclear) TS Clearance with SCI Eligibility

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