MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA.
As a Linux Systems Administrator, you will help maintain and enhance the Sponsor’s Linux environment alongside a talented team. You will be responsible for the operating system software and its seamless integration with hardware and applications across the organization.
Responsibilities include but are not limited to:
- Planning, testing, installing, integrating, and maintaining new and upgraded versions of the relevant operating systems
- Building and hardening Linux servers, and establishing configuration baselines while applying all appropriate security and firmware patches in a timely manner
- Developing test plans/procedures, managing operating system lifecycles, and designing interfaces to external systems
- Researching, troubleshooting, and resolving operating system problems efficiently by collaborating with application development and network teams
- Maintaining and updating complex documentation on the operating system configuration and all other areas of responsibility
- Demonstrating strong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams
Minimum Qualifications:
- High School Diploma/GED with 2+ years of progressively responsible experience configuring and maintaining Linux servers in a large, complex server environment
- Experience working in an organization with complex, intertwined systems, data flows, and applying security patches in a Linux environment
- Experience creating, maintaining, and communicating complex information technology documentation
- Experience with domain account management, particularly via Centrify, LDAP, and Active Directory
- Experience with shell scripting to automate administrative tasks
Preferred Qualifications:
- Experience scripting with Ansible or similar technologies
- Experience with the Sponsor’s primary automation and configuration management tools
- Self-starter with excellent people skills - able to work across teams and drive change throughout an organization
Clearance Requirements:
- An active TS/SCI with Polygraph is required.
Physical Requirements:
- Must be able to remain in a stationary position 50% of the time to operate a computer and other office productivity machinery.
- Needs to occasionally move about inside the office to access file cabinets, office machinery, and maintain computers in the lab, including under desks and in the server closet.
- Frequently communicates with co-workers, management, and customers, which may involve delivering presentations and exchanging accurate information.
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