Senior Linux DevOps Engineer

Description:

Information Systems Solutions (ISS) is seeking a Senior Linux DevOps 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 DevSecOps experience, and a security-first mindset capable of operating in highly regulated DoD environments.

This role is 100% onsite.

Specific duties include, but are not limited to the following:

Linux Systems Engineering:

• 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.

DevSecOps & Automation:

• Develop and maintain Infrastructure-as-Code (IaC) solutions using tools such as Ansible, Terraform, or equivalent.
• Integrate Linux systems into CI/CD pipelines and GitOps workflows.
• Support containerized workloads using Podman, Docker, or Kubernetes/OpenShift 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.

Cloud & SWAN Integration:

• 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.

Security & Compliance:

• 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.

Why Work For ISS?

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.

Requirements:

Clearance:

Secret

Certification (IAM Level II)

One of the following:

Security+

CySA+

CCNA Security

GSECSSCP

Required Skills:

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

Preferred Qualifications:

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