Sr. System Administrator (ONSITE) COMPANY SPONSOR

Posted 5 Days Ago
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Lowell Junction, Andover, MA, USA
In-Office
69K-131K Annually
Senior level
Aerospace • Defense
The future of aerospace and defense
The Role
Administer heterogeneous Microsoft Windows and Red Hat Linux environments, including installation, configuration, server architecture, DNS, DHCP, Active Directory, replication, virtualization, and troubleshooting. Develop technical solutions and documentation, integrate hardware and operating systems, and support enterprise IT infrastructure in a fully onsite defense environment. Obtain DoD 8140/8570 certification and an interim Secret clearance before starting.
Summary Generated by Built In

Date Posted:

2026-09-15

Country:

United States of America

Location:

US-MA-ANDOVER-AN1 ~ 350 Lowell St ~ AN1 ESSEX BLDG

Position Role Type:

Onsite

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: Secret

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. 

Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, protect the integrity of our systems and support RMD’s IT infrastructures around the world.

What You Will Do:

  • Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment.

  • Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. 

  • Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).

  • Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within a reasonable amount of time

  • Full time 100% Onsite position.

Qualifications You Must Have:

  • Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field.

  • Ability to obtain INTERIM U.S. government issued Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

  • Experience with installation, configuration, and administration of Windows and or /Linux operating systems.

  • Experience with Server architectures and troubleshooting methods.

  • Must be able to develop solutions and documentation to a variety of technical problems.

Qualifications We Prefer:

  • Linux Red Hat experience

  • Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).

  • Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF, data storage, NAS, and SAN technologies and solutions.

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

  • Experience with Microsoft WSUS, MECM, and/or Exchange.

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. Relocation assistance is available. 

  • Relocation assistance available, provided final candidate meets eligibility requirements

Learn More & Apply Now

  • Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:  Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 68,900 USD - 131,100 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, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, 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 specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

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 or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms

Skills Required

  • University degree or equivalent experience and at least 2 years of relevant experience, or an advanced degree in a related field
  • Ability to obtain an interim U.S. government-issued Secret security clearance before starting
  • U.S. citizenship
  • Experience installing, configuring, and administering Windows and/or Linux operating systems
  • Experience with server architectures and troubleshooting methods
  • Ability to develop solutions and documentation for varied technical problems
  • Ability to obtain DoD Directive 8140/8570 certification, such as CompTIA Security+ CE or equivalent, within a reasonable time
  • Red Hat Linux experience
  • DoD 8140/8570 certification, including CompTIA Security+ CE or equivalent and an operating system certification
  • Experience with NISPOM, JAFAN, JSIG, DFARS, and/or DoD RMF
  • Experience with data storage, NAS, and SAN technologies
  • Experience with VMware vCenter, vSphere, ESX, or other virtualization technologies
  • Experience with Microsoft WSUS, MECM, and/or Exchange

RTX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RTX and has not been reviewed or approved by RTX.

  • Retirement Support 401(k) programs are described with employer matching and, in many cases, an additional company retirement contribution, with a student‑loan repayment feature that can substitute for the match in eligible situations. Plan materials also reference automatic enrollment and other structural supports that strengthen long‑term savings.
  • Healthcare Strength Benefits materials highlight comprehensive medical, dental, and vision coverage alongside wellness tools and incentives. HSA‑eligible options with company contributions are also referenced on careers and benefits pages.
  • Parental & Family Support Program descriptions point to paid parental leave, backup childcare resources, and family supports such as birth/adoption benefits and an Autism Benefit (availability varies by unit and location). Dependent and elder‑care resources are also noted.

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The Company
HQ: Arlington, VA
185,000 Employees
Year Founded: 2020

What We Do

With more than 185,000 global employees, RTX pushes the limits of technology and science to redefine how we connect and protect our world. Through industry-leading businesses – Collins Aerospace, Pratt & Whitney and Raytheon – we are advancing aviation, engineering integrated defense systems and developing next-generation technology solutions and manufacturing to help global customers address their most critical challenges.

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