Systems Administrator

Booz Allen Hamilton•McLean, VA

10h•$62,000 - $141,000

About The Position

Systems Administrator The Opportunity: 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, including RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments. You will install, configure, and troubleshoot server sof tware and services while proactively monitoring system performance and implementing tuning measures to optimize efficiency and reliability. 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 disa ster 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 resp ond to and resolve system incidents, c ond uct 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. The ideal candidate is a proactive problem-solver with 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

5+ years of experience in Linux system administration
Experience as Red Hat Enterprise Linux ( RHEL ) 8 or 9 Systems Administrator for applications
Enterprise Networks and Multi-server environments
Experience implementing and managing security measures, firewalls, or int rus ion detection systems
Experience building and supporting environments such as Testing, Contingency, Production, or Disa ster Recovery servers
Knowledge of TCP / IP, DNS, routing, and network services
Public Trust
Bachelor's degree in Computer Science, Information Systems, or Engineering

Nice To Haves

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

Responsibilities

Manage and maintain Linux servers, including RHEL, CentOS, and Ubuntu.
Install, configure, and troubleshoot server software and services.
Proactively monitor system performance and implement tuning measures.
Implement and maintain security controls such as firewalls, access management, patching, and system hardening.
Develop automation solutions using tools like Bash, Python, and Ansible.
Oversee backup and disaster recovery processes.
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.