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Information Systems Security Engineer jobs in littleton USA

280 information systems security engineer jobs found in littleton: showing 251 - 280

Guidance, Navigation & Control Engineer Iii - Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO - Sunnyvale, CA, USA

| Salary: unspecified | Date posted: 23 Apr 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Staff Systems Engineer / Product Owner - Clearance Required
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 23 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit RMS Security Clearance Top Secret with Investigation or CV date within 5 years Shift
Senior Systems Engineer / Product Owner - Clearance Required
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 22 Apr 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit RMS Security Clearance Top Secret with Investigation or CV date within 5 years Shift
Guidance, Navigation & Control Engineer Ii - Interim Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO - Sunnyvale, CA, USA

| Salary: US$95300 - 165255 per year | Date posted: 22 Apr 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Software Engineer (full Stack)
Company: Lockheed Martin |

Location: Littleton, CO - King of Prussia, PA, USA

| Salary: US$88000 - 152490 per year | Date posted: 17 Apr 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Software Engineer (networking)
Company: Lockheed Martin |

Location: Littleton, CO - King of Prussia, PA, USA

| Salary: US$88000 - 152490 per year | Date posted: 17 Apr 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Software Engineer Senior (networking)
Company: Lockheed Martin |

Location: Littleton, CO - King of Prussia, PA, USA

| Salary: US$107300 - 185840 per year | Date posted: 17 Apr 2026
Time off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Manufacturing Engineer Associate Manager
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$114700 - 198720 per year | Date posted: 16 Apr 2026
, MES, EPDM, Creo &/or other design/CAD suites. At least 5 years direct experience as manufacturing engineer, Systems Engineering... off benefits. Security Clearance Information This position requires a government security clearance
Guidance, Navigation & Control Engineer Ii - Top Secret
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$95300 - 165255 per year | Date posted: 16 Apr 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct
Guidance, Navigation & Control Engineer Iii (senior) - Top Secret
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 15 Apr 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct
Electronics Engineer Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 15 Apr 2026
of integrate test systems, and experience as Subject Matter Engineer or equivalent. Experience with Telemetry Data Processing (TDP... with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information
Electronics Engineer Iii, Avionics
Company: Lockheed Martin |

Location: Littleton, CO - Englewood, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 15 Apr 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Circuit Design Engineer Iii, Avionics, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 15 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Circuit Design Engineer Iii, Avionics, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 15 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
System Integration Analyst
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$114700 - 198720 per year | Date posted: 15 Apr 2026
systems task, collect, process, analyze, fuse and disseminate the most mission-critical information. THE WORK... off benefits. Security Clearance Information This position requires a government security clearance
Systems Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 15 Apr 2026
is seeking a Systems Engineer for Model Based Systems Engineering (MBSE) to join the Conventional Prompt Strike (CPS) team... in Denver, Colorado. As a Systems Engineer for Model Based Systems Engineering (MBSE), your responsibilities will include
Integration And Test Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 15 Apr 2026
systems task, collect, process, analyze, fuse and disseminate the most mission-critical information. THE WORK... off benefits. Security Clearance Information This position requires a government security clearance
Circuit Design Engineer Iii, Avionics, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 15 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Circuit Design Engineer Iv, Avionics, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 14 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Circuit Design Engineer Iii, Avionics, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 14 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Electronics Engineering Associate Manager, Fbm
Company: Lockheed Martin |

Location: Englewood, CO, USA

| Salary: unspecified | Date posted: 11 Apr 2026
like? We are looking for a highly motivated Electronics Engineer Associate Manager to become a member of the Missile Systems Engineering & Integration... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Systems Engineer: Performance Evaluation Team
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 09 Apr 2026
as a Systems Engineer. The SEIT Mission Integration team handles all system-level requirements for the Trident II ballistic missile... off benefits. Security Clearance Information This position requires a government security clearance
Systems Engineer: Performance Evaluation Team
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 09 Apr 2026
as a Systems Engineer. The SEIT Mission Integration team handles all system-level requirements for the Trident II ballistic missile... off benefits. Security Clearance Information This position requires a government security clearance
Test Planning Engineer/integration Test Eng
Company: Lockheed Martin |

Location: Englewood, CO, USA

| Salary: unspecified | Date posted: 08 Apr 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Cable And Harness Electromechanical Engineer Ii
Company: Lockheed Martin |

Location: Littleton, CO - Englewood, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 01 Apr 2026
from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Circuit Design Engineer Ii, Satellite Test Systems
Company: Lockheed Martin |

Location: Littleton, CO - Sunnyvale, CA, USA

| Salary: US$91700 - 158815 per year | Date posted: 01 Apr 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Electromechanical Harness Engineer Iii
Company: Lockheed Martin |

Location: Littleton, CO - Englewood, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 31 Mar 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Electromechanical Harness Engineer Iii
Company: Lockheed Martin |

Location: Littleton, CO - Englewood, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 30 Mar 2026
with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Qa Engineer Sr
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$93800 - 162610 per year | Date posted: 28 Mar 2026
LMCareers Business Unit SPACE Security Clearance None Shift First Direct/Indirect Direct Business Area... Professional Req Type Full-Time Job Description Space is a critical domain, connecting our technologies, our security
Ai/ml Engineer Iii
Company: Sierra Nevada Corporation |

Location: Englewood, CO, USA

| Salary: US$124771.42 - 171560.7 per year | Date posted: 27 Mar 2026
current and future operational challenges, and as an AI/ML Engineer III on our team, you will serve as the primary driver... for AI/ML development projects focused on autonomy, perception systems, analytics developing rapid proof-of-concept builds