Sr. System Administrator- TS​/SCI Poly clearance

Senior System Administrator Location

US-MS-PASCAGOULA-1000-CUST ~ 1000 Access Rd ~ ACCESS (External Site)

United States of America

Onsite

Active, transferable U.S. government‑issued TS/SCI with CI Poly security clearance required before start date; U.S. citizenship required.

Additional requirements:

active DoD 8570 IAT Level 2 certification (or higher) on start date. Security clearance must be active on day 1.

Provide system administration support for a classified Raytheon program as part of a backend and support team. Key duties include:

• Monitoring and supporting 24x7 operational systems, ensuring system health and security posture.
• Responding to after-hours call‑in requirements with an 8x5 schedule.
• Collaborating with program developers, system engineers, and help desk team members to research issues, determine root causes, and implement solutions.
• Communicating effectively with internal teams and customers in a customer‑facing environment.
• Managing system capacity and troubleshooting high priority systems under operational pressure.
• Upholding security and operational procedures in a real‑time environment.
• Work is 100% onsite at Stennis Space Center, Mississippi.

• Bachelor’s degree and at least 2 years of relevant experience.
• Active, transferable U.S. government‑issued TS/SCI with CI Poly security clearance; U.S. citizenship required.
• Active DoD 8570 IAT Level 2 certification (or higher) on start date (IAT Level 2 requires one or more of: Security+, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND).
• Experience with VMware or Linux systems.
• Experience with tape libraries.
• Experience configuring domain tools such as Active Directory, Centrify, LDAP, and DNS.

• Experience with Veritas tape libraries and/or Hitachi VSPs.
• Ability to debug and modify programs in an advanced programming language.
• Experience with storage products from Oracle, Dell/EMC (Isilon/Power Scale), Net App.
• Experience presenting technical information to customers and internal audiences.
• Strong background in troubleshooting and debugging applications.
• Understanding of OS concepts such as swapping, paging, inter‑process communication, device drivers.

Salary range: $68,900 – $131,100 USD. Relocation assistance available.

Potential additional benefits include medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, holidays; benefits dependent on business unit or union agreement.

Potential eligibility for short‑term and/or long‑term incentive compensation programs, subject to performance and business factors.

Payroll and benefits aligned with U.S. base location; U.S. territory residents receive applicable structure.

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, veteran status, or any other applicable protected class. RTX provides affirmative action 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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