Sr DevSecOps Engineer III - MUST HAVE ACTIVE OR PREVIOUS TS/SCI AND CI POLYGRAPH

Description

As a Sr. DevSecOps Engineer III, you'll 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 you'll 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 you'll need to succeed: Active TS/SCI with CI Polygraph Security+, or equivalent to satisfy DoD 8140/8570. 4+ years as DevSecOps/DevOps Engineer, with strong security focus. Experience with designing, deploying, and managing production-grade OpenShift clusters (Rancher/K8s/K3s acceptable) via automation with Ansible and Terraform (CloudFormation acceptable) in on-prem and cloud environments. Expert experience with Gitlab CI/CD pipelines (or equivalent). Strong Helm chart development and lifecycle management. Strong Linux fundamentals. Experience securing containerized workloads. Experience implementing and enforcing DISA STIGs

Skills

Devops, Devsecops, Security, Aws, Python, Cloud, Kubernetes, Jenkins, Linux, Terraform, Automation, Ansible, Docker

Top Skills Details

Devops,Devsecops,Security,Aws,Python,Cloud,Kubernetes,Jenkins,Linux

Additional Skills & Qualifications

CI POLY ON SITE

Experience Level

Intermediate Level

Job Type & Location
This is a Contract position based out of Reston, VA.
Pay and Benefits
The pay range for this position is $75.00 - $95.00/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:
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan - Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
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 Jun 12, 2026.

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

We're 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. We're 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. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're 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 TEKsystems.com.

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.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.