Systems Administrator, Senior

Booz Allen Hamilton•Riverside, OH

85d•$77,500 - $176,000

About The Position

Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Air Force. We’re looking for a system administrator deep expertise in Linux systems, container orchestration such as Kubernetes, and automation such as Ansible. The ideal candidate will bridge the gap between complex technical execution and client-facing communication. As a system administrator on our project, you’ll manage and optimize our infrastructure and be responsible for the architecture, security, and performance of our systems and containerized environments. You’ll provide your customers insight into their network through monitoring and performance management. Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement in a mission-critical network. You’ll help your team better understand the network by turning metrics into information and explaining their meaning. This is an opportunity to broaden your skillset into areas like automation logic, cluster management, workload management, and CI/CD integration. We focus on growing as a team, so you’ll share your expertise through leadership and mentoring as you help the team work through challenges and develop new methodologies. As a system administrator leader, you’ll identify new opportunities to modernize the network so your clients achieve their goals. Work with us and resolve daily challenges as we improve our clients' network infrastructure and bring additional capabilities to the warfighter. Join us. The world can’t wait.

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
Ability to translate complex technical requirements into solutions for clients and engineers
TS/SCI clearance
Bachelor’s degree in Computer Science, Engineering, or a STEM field
Red Hat Certified Engineer (RHCE) or Linux Foundation Certified Engineer (LFCE) Certification

Nice To Haves

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

Responsibilities

Manage and optimize infrastructure.
Be responsible for 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.
Turn metrics into information and explain their meaning.
Share expertise through leadership and mentoring.
Help the team work through challenges and develop new methodologies.
Identify new opportunities to modernize the network so clients achieve their goals.
Resolve daily challenges as we improve our clients' network infrastructure and bring additional capabilities to the warfighter.