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Principal System Administrator

Job in Marlborough, Middlesex County, Massachusetts, 01752, USA
Listing for: Relha LLC
Full Time position
Listed on 2026-06-06
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Salary/Wage Range or Industry Benchmark: 86800 - 165200 USD Yearly USD 86800.00 165200.00 YEAR
Job Description & How to Apply Below

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Security Clearance Type:

DoD Clearance:
Top Secret

Security Clearance Status:

Active and existing security clearance required on day 1.

What You Will Do:

As Principal System Administrator, you will be supporting a Raytheon Special Access Program based in Tewksbury, MA.

Build, maintain, and secure Information Technology systems and directly support customer mission‑critical capabilities.

Partner and work with program developers and system engineers to research issues, determine root causes and implement solutions to system problems.

Collaborate and work with Cybersecurity professionals to maintain security requirements.

Systems are operational 24x7 and occasionally require work effort beyond standard work hours.

Must be able to support occasional after‑hour maintenance and on‑call support and must be able to lift to 35 pounds in support of hardware installations.

Qualifications You Must Have:

Typically requires a bachelor’s degree and a minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experience.

Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date.

Experience using VMWare vCenter, vSphere, ESX and/or other virtual computing methods.

Must have Windows and/or Red Hat Linux experience.

Qualifications We Prefer:

Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.

Experience with data storage, NAS, and SAN technologies and solutions.

Experience with Active Directory, VMware, administration, backup and recovery.

Demonstrated ability to work independently and troubleshoot problems with efficiency.

What We Offer:

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Benefits include medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the business unit and collective‑bargaining agreements.

Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position and whether the position is covered by a collective‑bargaining agreement.

Salary Range:

The salary range for this role is 86,800 USD – 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to the role, function, and associated responsibilities, the candidate’s work experience, location, education/training, and key skills.

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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