DS Linux Administrator

Probity; Chantilly (VA); On-site; USD 140,000 - 170,000; Full time

Job summary

Probity in Chantilly, VA is seeking a senior Linux engineer to maintain and improve the Sponsor’s Linux software and hardware environment. You will ensure operating system integration with hardware and applications across the organization and keep servers running reliably.

The role requires 10+ years of Linux server experience, a Bachelor’s degree or equivalent, and a active Top Secret/SCI with Polygraph clearance.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field, OR 10 years of related technical experience.
• 10+ years configuring and maintaining Linux servers.
• Experience with Centrify, LDAP, and Active Directory.
• Experience applying security patches in Linux environments.
• Strong shell scripting experience.
• Ability to manage a large, complex server environment.

Responsibilities

• Planning, testing, installing, integrating, and maintaining Linux OS versions.
• Building and hardening Linux servers; establishing configuration baselines.
• Applying patches in a timely manner and contributing to patch management plans.
• Developing test plans and procedures.
• Replacing server hardware components as needed.
• Testing and integrating software and hardware.
• Managing OS lifecycles; establishing environments and interfaces.
• Designing interfaces to external systems; researching OS problems and solutions.
• Troubleshooting OS issues with cross-team collaboration.
• Maintaining documentation on OS configuration and responsibilities.

Skills

Linux admin

Shell scripting

Security patching

Documentation

Communication

Team collaboration

Server management

TS/SCI Polygraph

Education

Bachelor's Degree in CS/IS/Engineering

10 years of related technical experience

Tools

Centrify

LDAP

Active Directory

Job description

PLEASE NOTE: This position requires an ACTIVE Top Secret/SCI Clearance with Polygraph. To be considered for this position, you MUST have an ACTIVE Clearance Level of Top Secret/SCI with Polygraph

Position Code: 04-SA0717-1

Summary

The successful candidate will maintain and improve, as part of the existing Linux team, the Sponsor’s Linux software and hardware environment. This includes responsibility for the operating system software and its successful integration with the hardware and applications software across the organization as well as maintaining the servers it runs on.

Duties, Tasks & Responsibilities

• 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
• Replacing server hardware components where necessary
• Testing and integrating software and hardware
• Managing operating system lifecycles
• Establishing, developing, testing, staging, and operating environments
• Designing interfaces to external systems
• Researching and resolving operating system problems efficiently and accurately, while adhering to organizational standards and practices
• Troubleshooting operating system problems, and collaborating with other teams (e.g. application development, network, etc.) to resolve problems across the organization
• Providing technical support to other teams (e.g. application development, etc.) on requirements for integration into the operating system
• Maintaining and updating documentation on the operating system configuration and all other areas of responsibility

Required Experience, Skills, & Technologies

• Minimum of 10 years configuring and maintaining Linux servers
• Bachelor’s Degree in Computer Science, Information Systems, Engineering, or other related discipline, OR 10 years of related technical experience may be substituted for education
• Experience working in an organization with complex, intertwined systems and data flows
• Experience creating, maintaining, and communicating complex information technology documentation
• Experience with domain account management, particularly via Centrify, LDAP, and Active Directory
• Experience applying security patches in a Linux environment
• Strong shell scripting experience
• Ability to manage a large, complex server environment
• Experience with the server environment, its hardware components and how/where they are used
• Understanding how to troubleshoot and replace server hardware if necessary
• Strong communication and collaboration skills to work effectively and proactively across a large organization of dispersed teams
• TS/SCI Polygraph

Desired Experience, Skills & Technologies

• Scripting experience with Ansible or similar technologies
• Physical Requirements:
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Add/remove hardware from in-rack applications
  • Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.