System Administrator, Senior Analyst, Stennis, MS ONSITE
Listed on 2026-06-07
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IT/Tech
Cybersecurity, Systems Administrator
System Administrator, Senior Analyst, Stennis, MS 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: TS/SCI with CI Poly - Current Security Clearance Status:Active and existing security clearance required on day 1
What You Will Do:
You will be supporting a Raytheon program in a classified environment as a System Administrator.
Responsibilities include monitoring and supporting systems that are operational 24x7 and which occasionally require work effort beyond standard work hours.
The position is 8x5 with after-hours call‑in responsibility.
You will collaborate with many teams to support exciting, critical programs with classified information system capabilities.
Success in this role means you will be responsible for monitoring and maintaining system health and security posture, directly supporting customer mission‑critical capabilities.
You will work closely with program developers and system engineers to research issues, determine root causes, and implement solutions to system problems. Additionally, you will serve as a help desk team member in a customer‑facing environment, so the ability to communicate effectively and respectfully with other teams and with the customer is of utmost importance, as you will be expected to uphold our excellent reputation.
The role requires working effectively with frequent and direct customer interaction in a real‑time operational environment.
The role requires working under pressure to restore high priority systems back to operations.
This position is 100% onsite in Stennis, MS.
Qualifications You Must Have:Requires a bachelor’s degree and a minimum of 2 years of prior relevant experience.
Must have an active and transferable U.S. government issued TS/SCI with poly security clearance prior to start date. U.S. citizenship is required.
By start date must have an active DoD 8570 IAT Level 2 certification (or higher). IAT Level 2 requires one or more of the following professional certifications:
Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND.
Experience with Veritas tape libraries and/or Hitachi VSPs
Experience configuring domain information utilities, such as Active Directory, Centrify, LDAP, and DNS Qualifications We Prefer:Ability to navigate, debug, and modify programs in an advanced programming language.
Experience with storage products from Oracle, Dell/EMC (e.g., Isilon/Power Scale), and/or Net App.
Experience presenting technical information to customers, clients, and/or internal audiences.
Experience configuring domain information utilities, such as Active Directory, Centrify, LDAP, and DNS.
Strong background and experience troubleshooting and debugging applicationsA thorough understanding of operating system concepts such as swapping and paging, inter-process communication, and devices and device drivers.
We offer relocation according to our company policy criteriaWhat We Offer:
Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
Position is to be filled at a non-Raytheon facility, at Stennis Space Center in Hancock County, Mississippi.
Salary:The salary range for this role is 68,900 USD – 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels.
Benefits:Eligible 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. Specific benefits are dependent upon the specific business unit and whether or not the position is covered by a collective‑bargaining agreement.
Equal Opportunity EmployerRTX 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.
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