DevSecOps Engineer (Mid)

Core4ce

DevSecOps Engineer (Mid)
1045-383

We are seeking a Mid-Level DevSecOps Engineer to support mission-critical systems within a high-security environment. The ideal candidate will possess strong technical experience across automation, secure development pipelines, cloud technologies, and systems administration, while also demonstrating the ability to navigate government security and authorization processes. This role requires close collaboration with cross-functional engineering, cybersecurity, and operations teams to ensure reliable, secure, and compliant system deployments.

Key Responsibilities:

Experience in submitting, monitoring, and ensuring completion of:

• Size, Weight & Power (SWaP) requests for installing computer hardware Security Impact Determinations (SIDRs) or equivalent documentation IT customer service and support requests Assessment & Authorization (A&A) or equivalent accreditation processes Authorization to Operate (ATO) certifications (minimum 2 years of experience) Firewall Change Requests (FCRs) across Unclassified, Secret, and Top Secret Commercial Cloud Services

Systems & Network Operations

• Perform system, network, architecture, and communication status checks via Command Line Interface (CLI) (2+ years) Conduct issue investigations and execute code reviews using GitLab’s web-based interfaces Review and analyze problem resolution reports using ThreadFix user interfaces DevSecOps & Automation

Hands-on experience using and completing tasks with:

• GitLab CI/CD pipelines Ansible (1+ year) Terraform (1+ year) Docker build processes (1+ year) Docker Compose (1+ year)

Deployment & Administration

• Administering and deploying Kubernetes environments (1+ year) Administering Linux operating systems, servers, and networks (3+ years)

Required Qualifications:

• 10 years of relevant experience with BA/BS OR, 8 years of relevant experience with MA/MS OR, 5 years of relevant experience with PhD Active TS/SCI clearance with ability to obtain a CI Polygraph Bachelor’s degree in computer science, Software Engineering, Electrical Engineering, or related field Certification in Linux Operating System Administration AWS Architecture/Design certification or equivalent (3+ years of experience with= AWS or comparable cloud technologies)

Why Work for Us?

Core4ce is a team of innovators, self-starters, and critical thinkers—driven by a shared mission to strengthen national security and advance warfighting outcomes.

We offer:

• 401(k) with 100% company match on the first 6% deferred, with immediate vesting Comprehensive medical, dental, and vision coverage—employee portion paid 100% by Core4ce Unlimited access to training and certifications, with no pre-set cap on eligible professional development Tuition assistance for job-related degrees and courses Paid parental leave, PTO that grows with tenure, and generous holiday schedules Got a big idea? At Core4ce,

The Forge gives every employee the chance to propose bold innovations and help bring them to life with internal backing.

Join us to build a career that matters—supported by a company that invests in you.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, disability, veteran status, age, genetic information, or other legally protected status.

St. Louis, Missouri, United States

Full-Time/Regular

All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status.



Equal employment opportunity, including veterans and individuals with disabilities.

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