DevSecOps Engineer with Security Clearance

540 is seeking a DevSecOps Engineer to support a mission-critical platform that enables the Department of War to securely develop, deploy, and operate modern software capabilities. You will maintain the platform’s DevSecOps factory and automated pipelines across an environment built primarily in AWS, with some capabilities in Azure. Working with software engineering, cybersecurity, and operations teams, you will automate delivery processes, integrate security throughout the software development lifecycle, and help ensure that deployments are secure, reliable, and efficient. The ideal candidate enjoys solving pipeline issues, automating repeatable processes, and improving how software moves from development into production. Location: Arlington, VA
Citizenship & Clearance Requirement: Per client requirements, candidates must be U.S. Citizens with an active DoW Secret (or higher) clearance
Education Requirement: Bachelor’s degree in Computer Science, Engineering, or a related technical field preferred; equivalent combinations of education and relevant experience will be considered
540 Internal Thrive Level: DevSecOps Engineer II or III WHY 540? 540 is a forward-thinking company that the government turns to in order to #getshitdone. We don’t just talk about innovation – we deliver it. We break down barriers, build impactful technology, and solve mission-critical problems. HOW YOU’LL DRIVE IMPACT Build, operate, and maintain CI/CD pipelines using GitLab CI, GitHub Actions, Jenkins, or similar tools
Automate software builds, testing, security validation, artifact creation, and deployments
Support delivery and platform automation primarily in AWS, with additional support for Azure environments
Develop and maintain infrastructure as code to create secure, consistent, and repeatable environments
Integrate code, dependency, container, and infrastructure security scanning into automated pipelines
Implement automated quality and security gates to prevent vulnerable or noncompliant code from being deployed
Monitor pipeline health and performance, configure alerts, and troubleshoot build, integration, and deployment issues
Maintain source-code repositories, branching strategies, artifact management, versioning, and release processes
Support rolling, blue-green, and canary deployment strategies
Document pipeline configurations and operational procedures while identifying opportunities for continuous improvement REQUIRED SKILLS & EXPERIENCE 4+ years of experience in DevSecOps, DevOps, platform engineering, cloud engineering, or a related field
Hands-on experience supporting AWS environments
Experience building and maintaining CI/CD pipelines
Experience with infrastructure-as-code tools such as Terraform, CloudFormation, or Ansible
Experience integrating automated security and code-quality tools into CI/CD workflows
Knowledge of Git-based source control, branching strategies, and release management
Experience with Docker, Kubernetes, and artifact-management tools such as Artifactory, Nexus, or GitLab Package Registry
Familiarity with monitoring, logging, and alerting tools
Proficiency in scripting and automation using Python, Bash, PowerShell, or a similar language
Understanding of secure software-development practices and the software development lifecycle
Strong troubleshooting, documentation, and cross-functional communication skills NICE TO HAVE Working knowledge of Azure
Experience supporting DoW, federal, Advana, or other enterprise data environments
Familiarity with software supply-chain security, secrets management, or policy-as-code
Currently holds, or is willing to obtain within 30 days of employment, an approved certification such as Cloud+, GICSP, GSEC, Security+, or SSCP BENEFITS & PERKS Flexible PTO + all Federal holidays off
Health, dental and vision insurance plans
Flexible Spending Account (FSA)
401k with employer match
Company-sponsored life insurance, short- and long-term disability Professional development (training, certifications, conferences)
Paid cloud developer accounts
Referral bonuses
HQ office perks (parking / metro reimbursement, nitro coffee & lunches) Annual social events (540 Week, hackathon, charity golf tournament, etc.)
Access to 540’s Washington Capitals & Nationals tickets EQUAL EMPLOYMENT OPPORTUNITY (EEO) 540's policy is to provide equal employment opportunity to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.