Classified Systems Administrator

The MITRE Corporation; McLean (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

A leading not-for-profit technology organization in McLean, Virginia, seeks a Senior Systems Administrator to support classified IT systems. The ideal candidate requires extensive experience managing Windows and Linux systems, a Top Secret clearance, and the ability to work on-site. This role offers competitive benefits and a commitment to employee well-being.

Benefits

Competitive benefits

Exceptional professional development opportunities

Culture of innovation

Qualifications

• Minimum of 5 years of relevant experience.
• Top Secret-level clearance is required.
• Experience with server/client OS like Win10 and Linux.

Responsibilities

• Maintain IT systems in a classified lab environment.
• Perform general systems administration tasks.
• Ensure security compliance and manage backups.

Skills

Windows and Linux systems administration

Powershell scripting

Network configuration

Customer service

Education

Bachelor’s degree in a related field

Tools

VMware

Splunk

Nessus Scanner

Job description

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges—and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting impact in fields as diverse as cybersecurity, healthcare, aviation, defense, and enterprise transformation. We're making a difference every day—working for a safer, healthier, and more secure nation and world. Our workplace reflects our values. We offer competitive benefits, exceptional professional development opportunities for career growth, and a culture of innovation that embraces adaptability, collaboration, technical excellence, and people in partnership. If this sounds like the choice you want to make, then choose MITRE - and make a difference with us.

Department Summary:

The team seeks a full-time Senior Systems Administrator to support the deployment, operation, and maintenance of IT systems in Classified lab environment. This is a role best suited for someone who has prior experience working as a classified IT Systems Administrator. This is an on-premises position on our McLean Va campus.

Roles & Responsibilities:

• Building and hardening Windows, Linux, Hypervisor systems, such as VMware

• Patching and updating Windows and Linux (RHEL, Ubuntu) server and desktop operating systems

• Updating anti-virus software definitions for Windows/Linux server and workstation

• User maintenance activities on both Windows and Linux operating systems

• Perform general systems administration (patching, updates, user support) of:

• Windows & Linux desktops and servers

• Network switches

• VMware ESXi, vCenter platforms

• Network Storage Systems

• Configuring Certificate Services & Authority

• Performing Server Backups

• Powershell scripting for automation, task scheduling and systems administration

• Maintenance of other systems/services according to project needs (Splunk, Nessus Scanner/Tenable Security Center, Trellix Endpoint Security, Forescout, etc..)

Basic Qualifications:

• Typically requires a minimum of 5 years of related experience with a Bachelor’s degree; or 3 years and a Master’s degree; or a PhD with relevant experience who can immediately contribute at this job step; or equivalent combination of related education and work experience.

• Top Secret-level clearance

• Working knowledge of server and client operating systems. (Win10, Srv2016+, RHEL, Ubuntu Linux)

• Fundamental understanding of lab IT architecture

• Fundamental understanding of system administration, network, and operating system hardening techniques.

• Fundamental understanding of operating system command-line tools.

• Ability to interface with customers and provide a high level of customer service

• Ability to function effectively in a dynamic, fast-paced environment.

• Ability to collaborate effectively with others

• This position has an on-site requirement of 5 days a week on-site .

Preferred Qualifications:

• Security+ Certification / 8570 Certification – IAT Level II

• Must earn certification within 6-months of hire date

• Experience with one or more programming/scripting languages (Chef, Ansible, Powershell, Bash, Python, etc.)

This requisition requires the candidate to have a minimum of the following clearance(s):

Top Secret

This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s):

Top Secret

Work Location Type:

Onsite

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.

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Benefits information may be found here (https://careers.mitre.org/us/en/benefits) .

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