Principal Windows Systems Administrator

Date Posted:

2025-05-22

Country:

United States of America

Location:

CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA

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:

DoD Clearance: Top Secret

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. 

This job opportunity is for the SIPRNET Windows Administrator position at Raytheon El Segundo. The SIPRNET Windows Administrator is responsible for the administering the local DoD classified Windows systems, including workstations and server, routers, firewalls, switches and other Windows devices in accordance with the authoritative USG requirements documents including (but not limited to): DISA STIGS, DD254, SCGs, CND Directives, OPORDS, etc.

What You Will Do:

• Experience with Trellix EPO products suite.

• Experience with Tenable Security Center  

• Experience with DLP application whitelisting and configuration

• Administer all Windows and network infrastructure devices (workstations, servers, switches, firewall, IDS/IPS)

• Complete STIG checklists for all Windows infrastructure devices: workstations, O/S’, applications, hypervisor, Boundary (Premise router, Firewall, Windows Infrastructure), Internal Windows (Layer 2 Switches) and additional required STIGS (IDS/IPS, Windows Devices, Multifunction/Windows Printer, etc.)

• Provide infrastructure engineering expertise for configuration changes (e.g. management subnet, etc.)

• Patch all infrastructure devices.

• Review scan results from ACAS scans that pertain to infrastructure devices

• Remediate CAT I/ CAT II/ CAT III findings associated with scans of infrastructure devices

• Experience in Change Request reviews, to include participating in Change Management boards at multiple program levels.

• Experience in technical and process document reviews and resolving system administration, engineering, and integration issues

• Lead technical meetings with team members and other program personnel, and representing the organization in functional area matters.

• Obtain any DoD 8570.01 IAT Level 2 required Computing Environment certifications within 6 months of employment.

Qualifications You Must Have:

• Typically requires a University degree or equivalent experience and a minimum of 8 years of prior relevant experience or an Advanced Degree in a related field and a minimum of 5 years experience.

• 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.

• Experience with classified Windows device assessment and hardening using various information system security assessment/hardening tools such as– DISA STIGs, SCAP, ACAS, HBSS, Retina, Nessus, etc.

• Experience successfully and effectively interacting with internal and external customers (DSS, ISSPs, ISRs, DAOs, Program Managers, etc.)

• Working knowledge of operating systems security features and settings (e.g. Windows, UNIX, and Linux)

• Must be willing and able to travel to other locations as required on occasion 10%

Qualifications We Prefer:

• Computing Environment certifications for CISCO devices

• Experience with NIST special publications and other requirements documents associated with the Risk Management Framework (RMF)

• Experience with Assessment & Authorization (A&A) under the RMF

• Experience with preparing for SIPRNet CCRI inspections

• DoD 8570.01 IAT Level 3 (requires one or more of the following Professional Certifications: CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH)

• Windows monitoring & logging tools such as Splunk, Ivanti and ACAS

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!

The salary range for this role is 112,000 USD - 224,000 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.

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