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Description As a Sr. DevSecOps Engineer, youu2019ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions. What youu2019ll do: Collaborate with customers and internal teams to design and implement automatic technical solutions across multiple classification environments, working independently or as part of the team to address complex technical requirements. Develop CI/CD pipelines from scratch in GitLab CI and Jenkins with integrated security scanning and STIG compliance validation, providing expert guidance to development teams on pipeline troubleshooting and implementing DevSecOps best practices. Create and maintain Infrastructure as Code (IaC) templates primarily using CloudFormation to architect highly available, resilient, and secure DevSecOps tool infrastructure across AWS environments (GovCloud, C2S, TC2S) while ensuring STIG compliance and guiding junior engineers on IaC best practices. Lead advanced troubleshooting efforts by analyzing system and application logs using Linux command-line tools, conducting root cause analysis for complex issues, and developing mitigation strategies for service degradation. Provide expert security guidance to development teams on secure coding practices, STIG compliance, vulnerability remediation, and other best practices in support of their ATO efforts. Mentor junior engineers through code reviews, technical guidance, and knowledge sharing while maintaining technical documentation, promoting best practices, and fostering continuous team improvement. What youu2019ll need to succeed: Active TS/SCI Clearance with CI poly. 10+ years of experience as a DevSecOps Engineer or similar role, with a strong focus on infrastructure automation, scalability, and reliability across the software development lifecycle. Expert experience with DevOps practices, CI/CD pipelines, containerization, and other automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, and Prisma Cloud). Expert experience delivering DevSecOps services across multiple classified domains Expert understanding of AWS capabilities (EC2, S3, IAM, RDS, etc) and architecting secure cloud-based infrastructure and services. (familiarity with other cloud platforms a plus) Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible. Strong experience with scripting languages (e.g., Python, Bash), in a Linux environment (RHEL, Oracle Linux, or similar) Minimum IAT Level 2 Certification (CompTIA Security+, GSEC, SSCP, etc) Additional Skills & Qualifications Onsite SCIF Experience Level Expert Level Job Type & Location This is a Contract position based out of Reston, VA. Pay and Benefits The pay range for this position is $100.00 - $120.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: u2022 Medical, dental & vision u2022 Critical Illness, Accident, and Hospital u2022 401(k) Retirement Plan u2013 Pre-tax and Roth post-tax contributions available u2022 Life Insurance (Voluntary Life & AD&D for the employee and dependents) u2022 Short and long-term disability u2022 Health Spending Account (HSA) u2022 Transportation benefits u2022 Employee Assistance Program u2022 Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully onsite position in Reston,VA. Application Deadline This position is anticipated to close on Apr 27, 2026. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services Weu2019re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Weu2019re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Weu2019re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Weu2019re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at . The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.