Senior Linux Systems Administrator

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA

This opportunity allows you to become part of a diverse and innovative team supporting national security priorities in a collaborative, Big Data-driven environment. You will contribute to complex systems involving infrastructure, application development, data science, and advanced analytics—helping to drive impactful solutions in support of critical government missions.
 

As a Senior 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
• Applying all appropriate security and firmware patches in a timely manner, and assisting in creating, maintaining, and adhering to the organization’s patch management plans
• Developing test plans and procedures; testing and integrating software and hardware; replacing server hardware components where necessary
• Managing operating system lifecycles and designing interfaces to external systems
• Establishing, developing, testing, staging, and operating environments; troubleshooting operating system problems, and collaborating with other teams (e.g. application development, network, etc.) to resolve problems across the organization
• Researching and resolving operating system problems efficiently and accurately, while adhering to organizational standards and practices; maintaining and updating documentation on the operating system configuration and all other areas of responsibility
• Providing technical support to other teams (e.g. application development, etc.) on requirements for integration into the operating system
• Strong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams (added this from min quails since it’s not quantifiable).
   

Minimum Qualifications:

• High School Diploma with 7+ years configuring and maintaining Linux servers
• Experience creating, maintaining, and communicating complex information technology documentation and experience applying security patches in a Linux environment; ability to manage a large, complex server environment
• Experience with domain account management, particularly via Centrify, LDAP, and Active Directory
• Strong shell scripting experience and experience with the server environment, its hardware components and how/where they are used
   

Preferred Qualifications:

• Scripting experience with Ansible or similar technologies
• Understanding how to troubleshoot and replace server hardware if necessary
   

Clearance Requirements:

• An active/current TS/SCI with Polygraph is required.
   

Physical Requirements:

• Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Constantly positions self to maintain computers in the lab, including under the desks and in the server closet