Jobs and Careers
RT

Sr. Systems Administrator

RTX
United Statesfull_timeVerifiedPosted 26 Jan 2026
💰 $144,200/yr($75,800/yr$144,200/yr)

About the role

Date Posted:

2026-01-26

Country:

United States of America

Location:

US-VA-ARLINGTON-VA1 ~ 2461 S Clark St ~ BLDG 1, Ste 1000

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: Top Secret

Security Clearance Status:

Active and existing security clearance required on day 1

At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world. 

What You Will Do:

  • Provide IT systems administration in Microsoft Windows environments, and sometimes in heterogeneous Microsoft Windows and Redhat Enterprise Linux environments.

  • Provide front-line networking support on classified and disconnected environments.

  • Work 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).

  • Support data backup uses and technologies.

  • Install and configure software applications requested by end users.

  • Work with Cybersecurity professionals to maintain security requirements.  Provide documentation and training on advanced IT processes and procedures and other tasks as assigned. 

  • Full time 100% onsite position with 25% travel

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.

  • Active and transferable U.S. government issued Top 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.

  • Have, or obtain and maintain within six months, a CompTIA Security+ certification, or have and maintain another certification that complies with Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements.

  • Experience with Windows operating systems.

  • Experience with some of the following but not limited to the following technologies: Active Directory, WSUS, VMware, Veeam, AWS, MySQL, Remote Desktop Gateway, infrastructure backup, restore, disaster recovery and business continuity products.

  • Experience with Networking equipment and principles. 

Qualifications We Prefer:

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

  • Working experience in Windows Desktop & Server.

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

  • Experience with using Information Technology project lifecycle management processes.

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

  • Experience supporting engineers in software, simulations, and hardware development.

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

  • Scripting Experience.

  • Experience with current cabling and fiber standards. 

  • Experience with access control list, security posture, and vendor best practices. 

  • Experience with Visio diagramming and design capabilities.

  • Certifications in Security+ within 6 months.

  • Experience with classified computing, STIG compliance, and network refreshes.

  • Experience with configuration and troubleshooting of Cisco routers, switches, firewalls, and intrusion detection systems, including software upgrades. 

What We Offer:

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

Learn More & Apply Now!

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

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

RTX

View company profile →