Information Systems Security Administrator

globalhr; Westford (MA); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision benefits

Life insurance and disability coverage

401(k) match

Flexible spending accounts

Parental leave and paid time off

Job summary

RTX in Westford, MA is seeking an Information Systems Security Administrator to deliver fast, in-person and remote IT support while maintaining Windows and Linux desktop environments.

The role requires an active Top Secret clearance, hands-on security engineering collaboration, and the ability to patch, monitor, and document systems in an Agile setting. Onsite work with no relocation; RTX offers robust benefits and career growth.

Qualifications

• Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience.
• Demonstrate 3–5 years of experience in system administration, desktop support, or similar IT infrastructure roles.
• Experience supporting Windows and Linux operating systems, including virtual and physical desktop environments.
• Obtain CompTIA Security+ (or equivalent certification) within 90 days of employment.
• 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

Responsibilities

• Deliver prompt technical support across in-person, phone, and electronic channels while maintaining virtual and physical desktop environments on Windows and Linux systems.
• Perform routine system maintenance, including antivirus updates, patching, security self‑reviews, and proactive monitoring/troubleshooting of servers, software, and hardware.
• Manage hardware and software assets with accurate inventory control, lifecycle tracking, and administration of user accounts, groups, and permissions.
• Develop and maintain clear technical documentation, standard work instructions, and provide user training to support consistent processes and strong end‑user understanding.
• Collaborate with cross‑functional teams and Information Systems Security Engineers to deploy and validate new IT and security solutions, contributing effectively in Agile (Scrum) environments and resolving complex technical issues independently within defined priorities and timelines.

Skills

Communication skills

End-user training

Software engineering support

Education

University degree or equivalent experience

Tools

Jira

Bitbucket

Confluence

Job description

Date Posted:

2026-08-19

Country:

United States of America

Location:

US-MA-WESTFORD-WFD7 ~ 7 Technology Park Dr ~ BLDG 7

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:

Top Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

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.

Raytheon Advance Products Solution (APS) is seeking a proactive Information Systems Security Administrator who excels at delivering fast, reliable technical assistance in person, over the phone, and electronically. In this role with the Global ISR Sensors & Software business unit you will support and maintain both virtual and physical desktop environments across Windows and Linux systems, perform routine maintenance such as security updates and patching, and manage hardware and software assets throughout their lifecycle. You will provide user training, create documentation, administer accounts and permissions, and monitor system performance to keep operations running smoothly. You will also work closely with Information Systems Security Engineers to deploy and validate new IT and security solutions, while managing your workload independently within established priorities, timelines, and service level expectations. This position will be ONSITE in WESTFORD, MA. No relocation will be available for this position.

What You Will Do :

• Deliver prompt technical support across in‑person, phone, and electronic channels while maintaining virtual and physical desktop environments on Windows and Linux systems.
• Perform routine system maintenance, including antivirus updates, patching, security self‑reviews, and proactive monitoring/troubleshooting of servers, software, and hardware.
• Manage hardware and software assets with accurate inventory control, lifecycle tracking, and administration of user accounts, groups, and permissions.
• Develop and maintain clear technical documentation, standard work instructions, and provide user training to support consistent processes and strong end‑user understanding.
• Collaborate with cross‑functional teams and Information Systems Security Engineers to deploy and validate new IT and security solutions, contributing effectively in Agile (Scrum) environments and resolving complex technical issues independently within defined priorities and timelines.

Qualifications You Must Have:

• Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years experience.
• Demonstrate 3–5 years of experience in system administration, desktop support, or similar IT infrastructure roles.

• Experience supporting Windows and Linux operating systems, including virtual and physical desktop environments.
• Obtain CompTIA Security+ (or equivalent certification) within 90 days of employment.
• 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

Qualifications We Prefer:

• Excellent verbal and written communication skills, including the ability to train and support end users.
• Experience with the Atlassian toolset (Jira, Bitbucket, Confluence) is a plus.
• Software Engineering & Development support experience

What We Offer:

Our values drive our mission and behaviour as a safer world. At RTX we value: Trust, Respect, Safety, Accountability, Collaboration, and Innovation.

Not Relocation Eligible – Relocation assistance not available

Work Location: ONSITE - Westford, MA

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 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, 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.