> Markdown version of [/jobs/ext/4274180-information-systems-security-administrator](https://www.wearedevelopers.com/jobs/ext/4274180-information-systems-security-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Information Systems Security Administrator - **Company:** RTX - **Location:** Westford, MA, United States - **Experience:** Experienced - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Agile Methodology, Confluence, JIRA, CompTIA Security+, Cyber Security, Linux, Digital Technology, Desktop Environments, Scrum Methodology, Software Engineering, Information Technology, Atlassian Tools, Performance Monitor, Bitbucket, User Accounts - **Published:** October 9, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-MA-WESTFORD-WFD7--7-Technology-Park-Dr--BLDG-7/Information-Systems-Security-Administrator_01881603 ## About the Role 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, * Typically requires a Bachelor's degree and a minimum of 5 years of prior relevant experience, or an Advanced degree in a related field and a minimum of 3 years of prior relevant 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. * Obtain CompTIA Security+ (or equivalent certification) within 90 days of employment. * Active and transferable U.S. government issued 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., * Verbal and written communication skills, including the ability to train and support end users. * Experience with the Atlassian toolset (Jira, Bitbucket, Confluence). * Software engineering and development support experience. ## Description Join our Digital Technology team as an Information Systems Security Administrator, where you will play a critical role in maintaining secure and efficient IT systems. Your contributions will directly support the organization's mission and ensure the reliability of our infrastructure. * Provide 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 tasks, 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 technical documentation and standard work instructions while providing user training to support consistent processes and end-user understanding. * Collaborate with cross-functional teams and Information Systems Security Engineers to deploy and validate new IT and security solutions. * Contribute effectively in Agile (Scrum) environments and resolve complex technical issues independently within defined priorities and * timelines.