Cleared jobs in Mississippi.
170 active postings that name a security clearance or Public Trust requirement. Northrop Grumman is hiring the most of them. Rebuilt daily from GovCon career pages.
Employers with indexed openings in Mississippi include Northrop Grumman, RTX (Raytheon / Collins / Pratt & Whitney), and People, Technology and Processes. Compare the individual postings for duties and security requirements. Read the market context.
Who’s hiring
Clearance mix
- Secret152
- Top Secret8
- Public Trust7
- TS/SCI2
- TS/SCI + CI Poly1
Open cleared jobs in Mississippi
Threat Systems Engineer
Posted 2 months agoCommand Post Technologies — Camp Shelby, Hattiesburg, MSTop SecretSafety Specialist
Posted 4 days agoX-Bow Systems — Stennis Space Center, MSSecretSenior Data Engineer
Radiance Technologies — Stennis Space Center, MSSecretSenior Software Developer
Radiance Technologies — Stennis Space Center, MSSecretAircraft Mechanic III - Electrical - Instrumentation
Posted 4 days agoTyonek Services Group — Kiln, MSSecretProfessional XCOMM Instructor/ Developer II
Posted 16 days agoTyonek Services Group — Biloxi, MSTop SecretStop reading job boards.
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Match me to cleared roles →Security Manager - Senior
Posted 1 month agoTyonek Services Group — Biloxi, MSTop SecretSecurity Manager - Journeyman
Posted 1 month agoTyonek Services Group — Biloxi, MSTop SecretCyber Instructor/ Developer II (Journeyman)
Posted 1 month agoTyonek Services Group — Biloxi, MSTop SecretDatabase Analyst Programmer
Bowhead Family of Companies (UIC) — Vicksburg, MS, USAPublic TrustJunior Logistics Analyst
Nakupuna Companies — Gulfport, MSSecretSenior Linux Cluster System Administrator - Top Secret clearance
Posted 1 month agoPGTEK — Stennis Space Center, MississippiTop SecretUnmanned Aircraft Systems Operator
Posted 10 months agoRMGS — Stennis Space Center, MSSecretSmall Craft Instructor
Posted 8 months agoRMGS — Gulfport, MSSecretProperty Mgmt Logistics Specialist-Jr. Level
Posted 3 months agoRMGS — Stennis Space Center, MSSecretUncrewed Systems Instructor
Posted 3 months agoRMGS — Stennis Space Center, MSSecretLogistics Analyst, Junior
ITC Defense — Gulfport, MSSecretSupplier Quality Engineering, Rocket Motor Systems
Posted 3 days agoAnduril Industries — McHenry, Mississippi, United StatesSecretSentinel/DLA 3 Program Operations Manager - Forest, MS
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-FOREST-431 ~ 19859 Hwy 80 ~ BLDG 431SecretMCPP - Shipboard Ammunition Logistics Specialist
KBR — Jacksonville, Florida; Kings Bay, Georgia; Camp Lejeune, North Carolina; Gulfport, Mississippi; Charleston, South Carolina; Gulfport, MSSecretMCPP - Shipboard Ammunition Logistics Specialist
KBR — Jacksonville, Florida; Kings Bay, Georgia; Camp Lejeune, North Carolina; Gulfport, Mississippi; Charleston, South Carolina; Gulfport, MSSecretIT Security Analyst
Lynker — Stennis, MSPublic TrustEngineering Technician II (Lab)
Lynker — Stennis, MSPublic TrustProgram Operations Manager
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-FOREST-430 ~ 19859 Hwy 80 ~ BLDG 430SecretInformation System Security Officer (ISSO) - Forest, MS (Sponsor Clearance)
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-FOREST-431 ~ 19859 Hwy 80 ~ BLDG 431SecretSenior Information System Security Officer (ISSO) - Forest, MS (Sponsor Clearance)
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-FOREST-425 ~ 19859 Hwy 80 ~ BLDG 425SecretSenior Mechanical Engineer, Rocket Motor Systems
Posted 3 days agoAnduril Industries — McHenry, Mississippi, United StatesSecretAutomation Systems Engineer II
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-FOREST-425 ~ 19859 Hwy 80 ~ BLDG 425SecretQuality Inspector II
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Inspector IV
Posted 14 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Inspector IV
Posted 6 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Engineer III
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Engineer III
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Engineer III
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretQuality Inspector IV
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretSenior Explosive Operations Engineer
Posted 3 days agoAnduril Industries — McHenry, Mississippi, United StatesTop SecretQuality Inspector IV
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretSenior Electrical Engineer
Posted 2 days agoAnduril Industries — McHenry, Mississippi, United StatesSecretMaterial Control Coordinator II
Posted 14 days agoGeneral Atomics — Tupelo, MississippiSecretManufacturing Engineer II
Posted 15 days agoGeneral Atomics — Tupelo, MississippiSecretGPT Air Traffic Control Instructor-II
Posted 1 month agoSAIC — Gulfport, MS, United StatesPublic TrustField Engineer
Leidos — Pascagoula, MSSecretPrinciple Linux/VMware Systems Administrator- Must have a TS/SCI Poly clearance
RTX (Raytheon / Collins / Pratt & Whitney) — US-MS-PASCAGOULA-1000-CUST ~ 1000 Access Rd ~ ACCESS (External Site)TS/SCI + CI PolyInformation System Security Engineer (ISSE)
Leidos — Bay Saint Louis, MSTS/SCICBA Aircrew Survival Equipment Mechanic (ALSS) - AIMD Program
Posted 27 days agoV2X — Meridian, MississippiSecretAircraft Painter III
Posted 24 days agoV2X — Madison, MississippiSecretData Scientist
Posted 4 months agoKoniag Government Services — Stennis Space Center, MSSecretSoftware Developer
Posted 4 months agoKoniag Government Services — Stennis Space Center, MSSecretProgram Manager
Posted 3 months agoKoniag Government Services — Stennis Space Center, MSSecretFacilities Manager
Posted 3 months agoKoniag Government Services — Stennis Space Center, MSSecret
Mississippi's defense market and your job search
Defense spending in Mississippi
The Office of Local Defense Community Cooperation reports approximately $6.7 billion in defense spending in Mississippi for fiscal year 2024, including $4.6 billion in contract obligations. Total spending includes contracts, grants and personnel payroll. This historical spending measure provides economic context; it does not measure current vacancies or the number of jobs requiring a clearance.
Sources: OLDCC Defense Spending by State, FY 2024, summary table
Roles in this hiring snapshot
Examples from the postings shown here include Threat Systems Engineer, Safety Specialist, and Senior Data Engineer. These are a sample of the indexed openings. Compare each employer's description for the worksite, required experience, clearance eligibility and any polygraph requirement.
Sources: Threat Systems Engineer; Safety Specialist; Senior Data Engineer
Background sources reviewed by ClearMatch on .
Cleared work in Mississippi, answered
- Which security requirements appear in cleared jobs in Mississippi?
- Secret is the most common requirement, on 152 of the 170 active cleared postings we track in Mississippi. The full mix runs Secret (152), Top Secret (8), Public Trust (7), TS/SCI (2), TS/SCI + CI Poly (1).
- Which employers are hiring cleared talent in Mississippi?
- Northrop Grumman (54 open), RTX (Raytheon / Collins / Pratt & Whitney) (20 open), People, Technology and Processes (13 open), General Atomics (10 open), Anduril Industries (6 open). These come straight from each employer's own careers site, so the counts move daily.
- How often is this list of cleared jobs in Mississippi updated?
- ClearMatch rebuilds this directory daily from GovCon career pages. It includes postings with security clearance or Public Trust requirements. Public Trust is a background investigation, not a security clearance. The update date below identifies the current snapshot.
Updated October 8, 2026