DevSecOps / Sys Admin

Job Description

Job Description

Job Description
System Architect/DevSecOps / Systems Administrator

Clearance: TS/SCI with CI Poly
Salary: $210–228K

Position Summary
Seeking a senior System Architect / Systems Administrator to design, secure, and operate complex build, deployment, and production environments across cloud, on‑premises, hybrid, and air‑gapped systems. Role focuses on CI/CD architecture, Kubernetes and container orchestration, server and network administration, secure dataflow engineering, and systems-level integration.

Key Responsibilities

Build Systems & DevSecOps
• Architect, secure, and maintain CI/CD pipelines and build servers.
• Integrate automated code scanning, dependency analysis, and compliance checks.
• Implement infrastructure-as-code for repeatable, secure environments.
• Embed security controls across the development lifecycle.
• Conduct assessments, identify vulnerabilities, and support remediation.

Systems Architecture & Administration
• Build, configure, and secure physical and virtual servers.
• Operate Kubernetes clusters, container registries, and orchestration layers.
• Manage OS configurations, patching, access control, backups, and system hardening.
• Monitor server, network, and application performance and reliability.
• Troubleshoot complex integration, networking, deployment, and system issues.
• Support cloud, hybrid, disconnected, and air‑gapped architectures.

Networking & Dataflow Engineering
• Design and maintain secure dataflows from front-end applications to backend and downstream systems.
• Define interfaces, data dependencies, and security boundaries.
• Ensure secure data exchange across networks, clouds, and cross‑domain systems.
• Implement encryption for data in transit and at rest.

Compliance & Authorization
• Support ATO efforts, documentation, security control implementation, and audit preparation.
• Maintain system diagrams, configurations, and operational procedures.
• Ensure system architectures align with security frameworks and organizational policies.

Collaboration & Operational Support
• Partner with software, hardware, systems engineering, cybersecurity, and customer teams.
• Provide guidance during design, integration, testing, deployment, and operations.
• Support incident response, upgrades, and production deployments.
• Evaluate technologies to improve automation, reliability, scalability, and security.

Required Qualifications
• Bachelor’s degree or equivalent experience.
• 5+ years in systems Architecture DevSecOps, systems administration, cloud engineering, or cybersecurity.
• Experience designing/maintaining CI/CD pipelines and build systems.
• Hands-on experience with automation and config management tools (Ansible, Terraform, Jenkins, GitHub Actions, etc.).
• Strong background in server administration, networking fundamentals, system hardening, and encryption.
• Experience across cloud, on‑prem, hybrid, or air‑gapped environments.
• Strong troubleshooting and communication skills.

Preferred Qualifications
• 8+ years in related roles.
• Experience in government or highly regulated environments.
• Familiarity with ATO processes, container security, software supply‑chain security, and air‑gapped operations.
• Relevant technical or cybersecurity certifications.

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  About Oak Leaf Solutions

  Founded in 2008, Oak Leaf Solutions is a mission-driven small business delivering advanced systems engineering, cybersecurity, and technical operations to U.S. Government customers. We specialize in high-impact work that supports national security, while cultivating a culture that values innovation, integrity, and employee well-being. At Oak Leaf, you’ll find a place where your skills make a difference—and where your compensation reflects your value. We offer highly competitive salaries, exceptional benefits, and meaningful opportunities for professional growth. Veterans, reservists, and cleared professionals are strongly encouraged to apply. Learn more at
  What We Offer
  Our benefits are designed to take care of you—at work, at home, and everywhere in between:
• Premium Medical Coverage
• Tricare Supplement Plan – 100% employer-paid for employees, 80% for dependents
• Dental & Vision Insurance – 100% employer-paid
• Disability Insurance – 100% employer-paid
• Life Insurance – $100,000 policy, 100% employer-paid
• 401(k) with Company Contribution – Pre-tax or Roth, with up to $5,000/year in contributions
• Generous Paid Leave – 15 PTO days + 11 federal holidays + up to 12 weeks parental leave
• Professional Development – Up to $5,250/year for certifications, training, and education
• Wellness Perks – Gym membership reimbursement (up to $50/month) + CareFirst Blue365 discounts
• Support for Military Families – Pay differential for active duty reserve service
• …and more.

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