Rosslyn, VA

Engineer Jobs in Rosslyn, VA

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Today

Security Engineer III, Red Team Operator

Deloitte Rosslyn, VA

Rosslyn, VA

Today

$111k - $218k/yr Full time Senior Cloud Platforms Cybersecurity Tools

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Job Description

Deloitte’s Cyber Defense & Resilience team works to strengthen detection, response, and resilience through authorized adversary emulation. As a Security Engineer III, Red Team Operator (onsite in Rosslyn, VA), you’ll plan and carry out realistic assessments that help teams understand gaps in security controls and improve how incidents are handled. You’ll also have the opportunity to be considered for a discretionary annual incentive program, based on program rules.

What you’ll do

Plan and execute red team operations across enterprise environments, web applications, cloud platforms, and endpoints.
Emulate advanced threat actors using realistic attack paths, tools, and techniques.
Run simulations for reconnaissance, initial access, privilege escalation, lateral movement, persistence, and exfiltration.
Assess the effectiveness of security controls, monitoring, and incident response processes.
Conduct phishing, social engineering, and credential attack exercises where authorized.
Develop custom payloads, scripts, and attack workflows to support engagements.
Document results, including attack chains, defense gaps, and remediation recommendations.
Provide clear after-action reports and debriefs to technical and leadership stakeholders.
Partner with blue teams, detection engineers, and security leadership to improve defensive capabilities.
Follow rules of engagement, legal requirements, and operational safety requirements throughout engagements.

What you bring

Bachelor’s degree in Cybersecurity, Computer Science, Information Systems, Engineering, or a related technical field.
Active Top-Secret Clearance.
Ability to work onsite up to 5 days a week.
Knowledge of network architecture, protocols, and techniques (including tunneling).
Hands-on offensive security experience in red teaming, purple teaming, or adversary simulation.
Strong knowledge of enterprise attack techniques across Windows, Active Directory, Linux, cloud, and identity environments.
Experience with command and control frameworks, privilege escalation, lateral movement, and evasion techniques.
Proficiency with tools such as Cobalt Strike, Mythic, Metasploit, BloodHound, Burp Suite, Nmap, and PowerShell or Python.
Experience with MITRE ATT&CK mapping and threat emulation.
Ability to produce high-quality reports that connect technical findings to business risk.
Certified Red Team Operator (CRTO) or Offensive Security Certified Professional (OSCP).
Ability to travel 20% on average based on client and industry needs.
Legally authorized to work in the United States without employer sponsorship, now or in the future.

Preferred background

Experience with C2 frameworks such as Cobalt Strike, Havoc, Mythic, Sliver.
Cloud red teaming experience in AWS, Azure, or GCP.
Familiarity with detection engineering, SIEM, EDR, and purple team exercises.
Experience developing custom tooling or modifying public offensive tools.
Knowledge of malware analysis, reverse engineering, or exploit development.

Collaboration and execution skills

Ability to work independently and collaborate as part of a team.
Effective written and verbal communication skills.
Meticulous attention to detail and quality of work product.
Ability to build and sustain professional relationships.
Capacity to lead projects or workstreams.
Ability to manage and prioritize multiple tasks in a fast-paced environment.
Strong interpersonal skills and professional demeanor.
Ability to meet deadlines and provide clear guidance to others.

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1mo ago

Senior Biometric Software Engineer

Athena Sciences Corporation Rosslyn, VA

Rosslyn, VA

1mo ago Closed

$100k - $115k/yr Full time Backend Developer Senior Biometrics

This position is no longer accepting applications (closed Jul 19, 2026).

Job Description

Senior Biometric Software Engineer role supporting the Department of Homeland Security Office of Biometric Identity Management (OBIM), joining a team of biometric system developers to build, deploy, and maintain mission-critical biometric applications.

Responsibilities

Apply Java and GoLang development skills to create, deploy, and sustain mission-critical biometric applications.
Provide technical guidance during concept, development, and deployment phases, engaging users to define system scope and objectives and contributing to design decisions.
Contribute to new development and re-engineering efforts, including making key system design decisions.
Implement enhancements to the existing system, coordinate with other developers working in parallel, and perform QA/testing as needed.

Requirements

U.S. Citizenship
DHS HQ EOD required to start; must be able to obtain DHS HQ Final Suitability
Bachelor’s degree or equivalent and 10+ years of development experience
Experience with GoLang and Java programming languages
Experience with Spring Boot
Experience with DevOps tools such as Git, Jenkins, Maven
Experience with relational databases
Experience with Docker, AWS, and Red Hat/OpenShift v4.x
Experience with Agile development methodology
Knowledge of end-to-end fully-automated CI/CD pipelines

Technologies

Java
GoLang
Spring Boot
Git
Jenkins
Maven
Relational databases
Docker
AWS
OpenShift
Kubernetes
Jira
Gitlab
GitHub

Benefits

401(k)
401(k) matching
Dental insurance
Health insurance
Life insurance
Paid time off
Tuition reimbursement
Vision insurance

Compensation

Salary: USD 100,000 - 115,000 per year

Location & Work Arrangement

Hybrid remote in Rosslyn, VA 22209

Application Question

Are you a US Citizen?

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1mo ago

Senior Biometric Software Engineer

Athena Sciences Corporation Rosslyn, VA

Rosslyn, VA

1mo ago Closed

$100k - $115k/yr Full time Backend Developer Senior Cloud Native

This position is no longer accepting applications (closed Jul 19, 2026).

Job Description

Athena Sciences Corporation is seeking a Senior Biometric Software Engineer to join its Rosslyn, VA team on a hybrid schedule. The position supports the DHS Office of Biometric Identity Management (OBIM) and requires U.S. citizenship along with a bachelor’s degree and at least ten years of software development experience. The role blends hands-on coding with architectural input to shape biometric solutions that meet mission-critical requirements, with a salary range of USD 100,000 to 115,000 per year.

Responsibilities

Leverage Go and Java experience to design, deploy, and maintain mission-critical biometric applications.
Provide technical guidance during concepting, development, and deployment to translate requirements into working solutions, engaging with users to define scope and objectives and contributing to design decisions.
Participate in new development and re-engineering efforts, including making system design choices.

Requirements

U.S. Citizenship is required.
DHS HQ EOD clearance is required to start; candidate must be eligible for DHS HQ Final Suitability.
Bachelor’s degree or equivalent and 10+ years of development experience.
Experience with GoLang and Java programming languages.
Experience with Spring Boot.
Experience with DevOps tools such as Git, Jenkins, and Maven.
Experience with relational databases.
Experience with Docker, AWS administration, Red Hat/OpenShift v4.x.
Experience with Agile development methodology.
Knowledge of end-to-end fully automated CI/CD pipelines.

Technologies

GoLang
Java
Spring Boot
Git
Jenkins
Maven
Relational databases
Docker
AWS
OpenShift
Kubernetes
Jira
GitHub
GitLab

Benefits

Health, Dental, & Vision Insurance
Life/AD&D Insurance
Short-Term and Long-Term Disability
401(k) with company matching
Paid vacation, sick leave, and holidays
Education assistance and tuition reimbursement

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Engineer Jobs in Rosslyn, VA

Security Engineer III, Red Team Operator

Senior Biometric Software Engineer

Senior Biometric Software Engineer

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