DevSecOps Engineer, Senior

St. Louis, MO
Full-time
$77,500.00 to $176,000.00
Posted Nov 13, 2026

Skills

AWS
Git
Google Cloud
Kubernetes
Linux
Microsoft Azure
Network Administration
Python
Terraform

Job description

DevSecOps Engineer, Senior The Opportunity:

Are you looking for an opportunity to share your experience implementing secure, high-performance infrastructure to safeguard our nation? Organizations are modernizing mission-critical capabilities, but scaling resilient on-premise environments requires deep systems expertise. As an on-premise infrastructure and OpenShift cluster architect, you know how to build and maintain robust on-premise platforms that deliver enterprise agility. On our team of experience d professionals, you’ll implement Infrastructure as Code ( IaC ) and automation across enterprise systems to support your clients as they modernize their on-premise IT infrastructure and meet their most challenging national security missions.

You’ll closely collaborate with fellow systems engineers and DevOps administrators spe cia lizing in Red Hat OpenShift clusters, RHEL, and Windows systems to design, build, test, and deploy automated on-premise solutions. You’ll have the chance to work within a DevOps framework using tools like GitLab CI / CD, Terraform, Ansible, and Packer to automate bare- met al and virtualized provisioning, manage containers, and implement secure Virtual Desktop Infrastructure ( VDI ) to support mission analysts. With access to our internal hardware labs and engineering sandboxes, you’ll have the space and time to explore different ways of solving our clients' technical challenges and partner with stakeholders to deliver resilient platforms. Whether modernizing legacy on-premise computing platforms and applications or standing up new OpenShift clusters from scratch, you’ll have the latest tech and brightest teammates at your fingertips.

Grow your skills at the leading edge of innovation.

Join us. The world can’t wait.

You Have:

•5 years of experience in system engineering, system administration, and on-premise infrastructure architecture

•2 years of experience designing, deploying, configuring, and maintaining enterprise container platforms, including Red Hat OpenShift clusters and container runtimes

•Experience with Infrastructure as Code ( IaC ) and automation tooling, including Terraform, Ansible, and Packer

•Experience utilizing GitLab for source code management, version control, and building automated CI / CD pipelines

•Experience administering, maintaining, and hardening enterprise operating systems across Red Hat Enterprise Linux ( RHEL ) and Micro sof t Windows Server

•Active TS/SCI clearance; willingness to take a polygraph exam

•Bachelor's degree in a STEM field such as Computer Science, Information Technology, Engineering, Engineering Management, or Management Information Systems and 1 years of experience as a systems or DevOps engineer, or 5 years of experience as a systems or DevOps engineer in lieu of a degree

•DoD 8140 IAT Level II Certification such as CompTIA Security CE, CCNA Security, CySA , GICSP, GSEC, or SSCP Certification

Nice If You Have:

•Experience designing, implementing, and operating in secure on-premise DevSecOps pipelines and air-gapped container registries

•Experience engineering and maintaining secure Virtual Desktop Infrastructure ( VDI ) environments

•Experience with IC or DoD program or project work, including air-gapped or classified on-premise enclaves

•Knowledge of scripting and automation languages such as Python, Bash, or PowerShell

•TS/SCI clearance with a polygraph

•Master’s degree in a STEM field such as Computer Science, Information Technology, Engineering, Engineering Management, or Management Information Systems

•AWS, Azure, or GCP Cloud Solutions Architect, CCNA or CCNP, Red Hat Certified OpenShift Administrator, RHCSA, RHCE, Certified Kubernetes Administrator ( CKA ) , or VMware Certified Professional ( VCP ) Certifications

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,500.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided .

Work Model

Our people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

•Remote : If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

•Hybrid : If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role.

•Onsite : If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.