Senior Linux Administrator (Systems Administration, Senior Analyst)

$115,000 - $150,000/Yr

The Mil Corp - Lexington Park, MD

Full-time - Mid Level

Lexington Park, MD

Professional, Scientific, and Technical Services

About the position

The MIL Corporation is seeking a Senior Linux Administrator (Systems Administration, Senior Analyst) to be responsible for the installation, configuration, maintenance, and troubleshooting of Linux servers and associated systems. This role requires a deep understanding of Linux-based environments, a strong commitment to continuous improvement, and the ability to lead and mentor junior administrators. The ideal candidate will have extensive experience in managing large-scale Linux infrastructures and a passion for automation and optimization. This position supports a Federal Government client from our Lexington Park, MD location and currently requires a hybrid schedule with 3 days on-site. Schedule is subject to change based on company/contract requirements.

Responsibilities

• Manage and maintain Linux servers, ensuring optimal performance, security, and availability
• Install, configure, and manage server software, services, and applications
• Monitor system performance, identify issues, and implement solutions to ensure system reliability and efficiency
• Implement and maintain security measures, including firewalls, access controls, and patch management to protect systems against vulnerabilities
• Develop and maintain scripts for automation of system administration tasks using tools like Bash, Python, or Ansible
• Ensure regular backups and implement disaster recovery solutions to protect data integrity and availability
• Configure and troubleshoot network services such as DNS, DHCP, NFS, and VPNs
• Respond to and resolve system-related incidents, providing root cause analysis and implementing preventative measures
• Create and maintain comprehensive documentation for system configurations, procedures, and troubleshooting guidelines
• Provide guidance and support to junior Linux administrators and other IT team members
• Participate in and lead IT projects, including system upgrades, migrations, and new implementations

Requirements

• Minimum of 5 years of experience in Linux system administration, with a focus on Red Hat, CentOS, Ubuntu, or similar distributions
• Proficiency in Linux server management, shell scripting, and automation tools (e.g., Ansible, Puppet)
• Strong understanding of TCP/IP, DNS, routing, and network services
• Experience with implementing and managing security measures, including SELinux, firewalls, and intrusion detection systems
• Strong analytical and troubleshooting skills
• Excellent verbal and written communication skills, with the ability to convey complex technical information to a non-technical audience
• Ability to work effectively in a collaborative team environment and lead technical initiatives

Nice-to-haves

• Relevant certifications such as RHCE (Red Hat Certified Engineer), CompTIA Linux+, or LPIC (Linux Professional Institute Certification)
• Experience with cloud platforms such as AWS, Azure, or Google Cloud
• Familiarity with virtualization technologies like VMware, KVM, or Docker
• Experience with administering databases such as MySQL, PostgreSQL, or Oracle on Linux platforms

Benefits

• Health insurance coverage
• Life insurance coverage
• Disability insurance coverage
• Retirement plans
• Paid time off
• Opportunities for professional growth
• Tuition assistance