Sr. OpenShift Administrator (Systems Engineer II) with Security Clearance

Position Title: Sr. OpenShift Administrator (Systems Engineer II) Location: San Diego, CA Clearance Requirements: Active Secret clearance

Pay Rate: $77.00 per hour

Position Description: Seneca Resources is seeking a Sr. OpenShift Administrator (Systems Engineer II) to support mission-critical U.S. Government programs at the Naval Information Warfare Center Pacific (NIWC PAC). This is a 100% onsite, contract-to-hire opportunity for an experienced systems engineer with strong Red Hat OpenShift, Kubernetes, and Linux administration expertise. The selected candidate will oversee the health, performance, security, and stability of on-premises enterprise OpenShift clusters while supporting an agile team delivering custom applications in a mission-driven environment.

Responsibilities

• Administer, deploy, scale, and optimize on-premises Red Hat OpenShift clusters.
• Manage cluster health, availability, performance, security, patching, and configuration.
• Troubleshoot infrastructure and cluster issues using logs, events, system diagnostics, and performance data.
• Monitor and resolve node, application, and platform errors.
• Configure security settings, user access controls, and network policies.
• Perform software updates, system patches, backups, and maintenance activities.
• Support Kubernetes-based infrastructure and enterprise container platforms.
• Develop and maintain scripts and automation using Bash, Python, Ansible, or similar tools.
• Document system configurations, troubleshooting procedures, operational processes, and changes.
• Independently investigate issues, implement corrective actions, and learn emerging technologies.
• Collaborate with engineers, administrators, and application teams to maintain secure, highly available infrastructure.
• Support architectural improvements and optimization of enterprise OpenShift environments.
• Perform other duties and technical support activities as assigned.

Top Requirements

• Active Secret clearance.
• IAM Level II certification, with one of the following:
• CompTIA CASP+
• CAP or CGRC
• CISM
• GSLC
• CISSP or CISSP Associate
• At least 3 years of experience deploying, administering, troubleshooting, and managing Red Hat OpenShift environments.
• At least 7 years of Linux systems administration experience, preferably with Red Hat Enterprise Linux (RHEL).
• Hands-on experience with Kubernetes cluster management, including cluster health, scaling, security, patching, troubleshooting, and performance optimization.
• Experience troubleshooting enterprise infrastructure using logs, events, and system diagnostics.
• Ability to work 100% onsite at the NIWC PAC location in San Diego, CA; no remote or telework option is available.
• Strong documentation, problem-solving, communication, and collaboration skills.

Preferred Qualifications

• Experience with SUSE Rancher.
• Scripting and automation experience with Bash, Python, or Ansible.
• Experience implementing Security Technical Implementation Guides (STIGs).
• Experience supporting secure, high-availability government or DoD infrastructure.
• Familiarity with enterprise container platforms, Linux security, and systems hardening.

About Seneca Resources At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact. When you work with Seneca, you're choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide.

We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way. Seneca Resources is proud to be an

Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.