Information Systems Security Administrator

Raytheon; Westford (MA); On-site; USD 86,800 - 165,200; Full time

Job summary

RTX is seeking an IT Systems Administrator for on-site support in Westford, MA. You will deliver prompt, multi-channel technical support across Windows and Linux, maintain desktops, and manage assets. You will create clear documentation and train users to ensure consistent processes.

The role requires 3–5 years in IT infrastructure and a Security+ certification within 90 days, plus an active U.S. government security clearance and U.S. citizenship. On-site, relocation assistance is not provided.

Qualifications

• University degree or equivalent with 5+ years; or advanced degree with 3+ years.
• 3–5 years in system administration, desktop support, or similar IT infrastructure roles.
• Experience supporting Windows and Linux operating systems, virtual and physical desktops.
• CompTIA Security+ certification within 90 days of employment.
• Active U.S. government security clearance and U.S. citizenship are required.

Responsibilities

• Deliver prompt technical support across in-person, phone, and electronic channels for Windows and Linux environments.
• Perform routine system maintenance, including antivirus updates and patching, security self-reviews, and monitoring of servers and hardware.
• Manage hardware and software assets with accurate inventory control and user permissions administration.
• Develop and maintain technical documentation and user training to support consistent processes.
• Collaborate with cross-functional teams in Agile (Scrum) environments to deploy and validate IT and security solutions.

Skills

Windows & Linux support

Desktop support

End-user training

Education

University degree or equivalent

Advanced degree with 3+ years

CompTIA Security+ certification

Tools

Jira

Bitbucket

Confluence

Job description

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

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 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 actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Safety, Accountability, Collaboration, and Innovation. We offer a salary range of 86,800 USD – 165,200 USD, and eligibility for benefits including 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. The exact benefits depend on the business unit and whether the position is covered by a collective‑bargaining agreement.

This is an onsite position in Westford, MA; relocation assistance is not available.

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.