Linux System Administrator

Booz Allen Hamilton•McLean, VA

20h•Remote

About The Position

We are seeking a skilled Systems Administrator to support mission-critical infrastructure for a federal client. In this role, you will manage and maintain Linux servers such as RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments. You will install, configure, and troubleshoot server software and services while proactively implementing and maintaining enterprise monitoring, logging, and alerting solutions to ensure system health, availability, performance, and compliance visibility. You will implement and maintain security controls such as firewalls, access management, patching, and system hardening to meet federal compliance standards. The role also includes developing automation solutions using tools like Bash, Python, and Ansible to streamline administration tasks. You will oversee backup and disaster recovery processes to ensure data integrity and continuity of operations, as well as configure and troubleshoot network services such as DNS, DHCP, NFS, and VPNs. Additionally, you will respond to and resolve system incidents, conduct root cause analyses, implement preventative measures, and maintain clear technical documentation. You will contribute to and lead infrastructure projects such as upgrades, migrations, and new system implementations. You’ll leverage your abilities as a proactive problem-solver, strong Linux expertise, and a commitment to delivering secure, reliable systems in support of federal operations. If you are passionate about developing reliable enterprise systems in a federal environment and enjoy working in collaborative, mission-driven teams, this role offers an opportunity to make a meaningful impact in support of Veterans nationwide. Join us. The world can’t wait.

Requirements

8+ years of experience in Linux system administration
5+ years of experience administering RHEL 8/9 in mission-critical enterprise, multi-server, and high-availability federal environments
Experience with implementing and managing security measures, firewalls, and intrusion detection systems
Experience building and supporting environments including Testing, Contingency, Production, and Disaster Recovery servers
Knowledge of TCP/IP, DNS, routing, and network services
Ability to apply and maintain Linux hardening baselines using DoD STIGs, CIS benchmarks, patch management, and vulnerability remediation workflows
Ability to work effectively in a collaborative team environment and lead technical initiatives
Public Trust
Bachelor's degree

Nice To Haves

Experience with cloud platforms such as AWS or Azure
Experience with OpenShift
Experience with containerization technologies like Docker or Kubernetes (AKS/EKS)
Experience with administration and optimization of WebLogic Server across environments
Experience with administering MySQL, PostgreSQL, or Oracle databases on Linux and managed cloud services
Experience administering Linux workloads in AWS, Azure, or hybrid cloud environments
Possession of excellent problem-solving and analytical skills
Possession of strong verbal and written communication skills
Certifications such as Red Hat Certified Engineer (RHCE), CompTIA Linux+, or Linux Professional Institute Certification (LPIC)
CompTIA Security+ Certification

Responsibilities

Manage and maintain Linux servers such as RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments.
Install, configure, and troubleshoot server software and services.
Proactively implement and maintain enterprise monitoring, logging, and alerting solutions.
Implement and maintain security controls such as firewalls, access management, patching, and system hardening to meet federal compliance standards.
Develop automation solutions using tools like Bash, Python, and Ansible to streamline administration tasks.
Oversee backup and disaster recovery processes to ensure data integrity and continuity of operations.
Configure and troubleshoot network services such as DNS, DHCP, NFS, and VPNs.
Respond to and resolve system incidents, conduct root cause analyses, and implement preventative measures.
Maintain clear technical documentation.
Contribute to and lead infrastructure projects such as upgrades, migrations, and new system implementations.