Senior Systems Administrator
Apex Systems · Wright-Patterson Air Force Base, OH · 2 mo ago
Information TechnologyContract
Location: Wright Patterson AFB/Beavercreek, Ohio (Onsite)
Clearance: Must have an active TS/SCI
About the role
The ideal candidate for this role will possess a combination of interpersonal skills and system administrator expertise. This position involves improving technology for a mission-critical network, focusing on Linux systems, container orchestration like Kubernetes, and automation tools such as Ansible. The role requires bridging complex technical execution with client-facing communication, managing and optimizing infrastructure, and ensuring the architecture, security, and performance of systems and containerized environments.
Responsibilities
- Manage and optimize infrastructure, focusing on the architecture, security, and performance of systems and containerized environments.
- Provide customers insight into their network through monitoring and performance management.
- Identify problem areas and opportunities for improvement in a mission-critical network.
- Translate complex technical requirements into solutions for clients and engineers.
- Share expertise through leadership and mentoring to help the team work through challenges and develop new methodologies.
- Identify new opportunities to modernize the network to help clients achieve their goals.
Requirements
- 7+ years of experience in Linux Administration.
- Experience with automation tools such as Ansible or Terraform.
- Experience with containers such as Docker, Kubernetes, or Podman.
- Experience with SELinux and FApolicyd, STIG hardening, Identity Management (IdM/LDAP), and managing secrets and certificates.
- Knowledge of IT networking and security concepts.
- Bachelor’s degree in Computer Science, Engineering, or a STEM field.
- DoD 8570 IAT Level II Certification.
Preferred Qualifications
- Experience in administration of RHEL.
- Experience deploying and managing production Kubernetes clusters such as OpenShift, EKS, or RKE.
- Experience with Helm charts, Kustomize, and managing persistent container storage interface (CSI) and container networking interface (CNI).
- Experience integrating IaC and Ansible into pipelines such as GitLab CI, Jenkins, or GitHub Actions.
- Knowledge of IP tables and NFTables, DNS, load balancing, HAProxy, Nginx, and namespace.
- Ability to use troubleshooting tools such as ss, netstat, tcpdump, traceroute, and ping to isolate network problems.
- Ability to conduct performance tuning, kernel patching, and debugging as well as optimizing Linux kernels for container workloads such as tweaking sysctl for K8s.
- Master’s degree in Computer Science, Engineering, or a STEM field.
- Red Hat Certified Engineer (RHCE) or Linux Foundation Certified Engineer (LFCE) Certification.
Benefits
- Medical, dental, vision, life, and disability insurance plans.
- Employee Stock Purchase Program (ESPP).
- 401K program with company match after 12 months of tenure.
- Health Savings Account (HSA) on the HDHP plan.
- SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions.
- Corporate discount savings program and other discounts.
- On-demand training program.
- Access to certification prep and a library of technical and leadership courses/books/seminars after 6+ months of tenure.
- Certification discounts and perks to associations that include CompTIA and IIBA.
- Dedicated customer service team for consultants and a certified Career Coach.