Information Systems Security Administrator

Raytheon Advance Products Solution (APS) is seeking a proactive Information Systems Security Administrator who 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. This on‑site role will provide user training, create documentation, administer accounts and permissions, and monitor system performance to keep operations running smoothly.

• 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.

• University Degree or equivalent experience; minimum 5 years of relevant experience, or Advanced Degree in a related field and minimum 3 years experience.
• 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.
• CompTIA Security+ (or equivalent certification) within 90 days of employment.
• Active and transferable U.S. government‑issued security clearance required prior to start date; U.S. citizenship required.

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

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

Relocation assistance not available. This is an on‑site position located in Westford, MA. The salary range is $86,800 – $165,200 annually.

Benefits may 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 depend on the business unit and collective bargaining agreement.

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.