Senior Linux DevOps Engineer

Description

Information Systems Solutions (ISS) is seeking a Senior Linux Dev Ops Engineer to support mission‑critical systems within a classified environment. This role is designing, automating, securing, and sustaining hybrid Linux and Windows infrastructure supporting naval operations. The ideal candidate is a hands‑on engineer with deep Linux expertise, strong Dev Sec Ops  experience, and a security‑first mindset capable of operating in highly regulated DoD environments.

This role is 100% onsite.

• Engineer, harden, and maintain enterprise Linux environments (RHEL, or equivalent).
• Implement and maintain DISA STIG‑compliant configurations.
• Perform system lifecycle management, patching, and vulnerability remediation.
• Support identity integration (LDAP, Kerberos, AD integration).
• Troubleshoot system, kernel, and performance‑level issues.

• Develop and maintain Infrastructure‑as‑Code (IaC) solutions using tools such as Ansible, Terraform, or equivalent.
• Integrate Linux systems into CI/CD pipelines and Git Ops workflows.
• Support containerized workloads using Podman, Docker, or Kubernetes/Open Shift platforms.
• Contribute to secure image development aligned with hardened baselines.
• Automate system provisioning, configuration management, and compliance validation.
• Support integration with security scanning platforms and vulnerability management tools.

• Support IL5/IL6 cloud‑hosted Linux environments where applicable.
• Ensure secure connectivity and segmentation within classified enclaves.
• Collaborate with Windows and cloud engineers to ensure hybrid environment interoperability.
• Participate in architecture reviews to ensure secure‑by‑design implementations.

• Ensure compliance with RMF controls and NIST 800‑53 security requirements.
• Support vulnerability scanning (ACAS/SCAP) and remediation activities.
• Maintain documentation including system diagrams, SOPs, and configuration baselines.
• Contribute to ATO sustainment and continuous monitoring activities.

At ISS we pride ourselves on providing an employee‑focused and family first environment. Being a small business, we take the time to get to know our employees and have a vested interest in helping them achieve their career goals. We work to schedule regular social gatherings within the company to foster camaraderie. ISS values their employees by providing a comprehensive benefits package that includes a fully vested 401(k) matching program, coverage of family medical deductibles, spot bonuses, and educational assistance to further your career.

Clearance: Secret

One of the following:

• Security+
• CySA+
• CCNA Security
• GSECSSCP

• 10+ years of Linux systems engineering experience.
• Demonstrated experience in Dev Ops or Dev Sec Ops  environments.
• Strong scripting skills (Bash, Python required).
• Experience with container platforms (Kubernetes, Open Shift, Podman, or Docker).
• Experience operating in DoD or classified environments.

• Experience in SWAN or similarly restricted classified enclaves.
• Experience supporting IL5/IL6 cloud platforms (Azure Gov, AWS Gov Cloud).
• Familiarity with container images and secure pipeline development.
• Red Hat certifications (RHCE, RHCSA) or Kubernetes certifications.
• Experience integrating Dev Sec Ops  within RMF‑constrained environments.