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Information Systems Security Engineer jobs in littleton USA

280 information systems security engineer jobs found in littleton: showing 151 - 200

Space Vehicle Test Engineer, Sr
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 30 May 2026
of one of the most innovative and fastest moving organizations in Space. Come help build end-to-end Space Security Systems... Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration
Survivability Engineer (level Iii)
Company: Lockheed Martin |

Location: Huntsville, AL - Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 30 May 2026
Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration...LMCareers Business Unit SPACE Security Clearance Top Secret Shift First Direct/Indirect Direct Business
Space Vehicle (sv) Systems Design Lead
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 30 May 2026
Area Space Department 71G2A00:Global Security Job Class Systems Engineering: System of Systems Integration... Engineer (CPE), Responsible Systems Engineer (RSE), or Chief Systems Engineer (CSE) experience Active or Current TS or SCI
Project Engineer, Sr - Cam
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 30 May 2026
, we welcome you to join us. The CPS Theater Strike Weapon Systems (TSWS) team in Littleton, Colorado is in search of a Project Engineer (CAM...). As a Project Engineer, you will play a critical role in the development of these advanced systems. In this role
Reliability Engineer
Company: Lockheed Martin |

Location: Huntsville, AL - Littleton, CO, USA

| Salary: US$80600 - 139840 per year | Date posted: 30 May 2026
Time 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
Senior-level Software Engineer
Company: Lockheed Martin |

Location: Houston, TX - Littleton, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
LMCareers Business Unit SPACE Security Clearance None Shift First Direct/Indirect Direct Business Area... Professional Program Orion Req Type Full-Time Job Description Senior-level Software Engineer to lead the development
Senior Embedded Systems Integration & Test Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 29 May 2026
for you. The Senior Embedded Systems Integration & Test Engineer will lead and execute end-to-end integration, verification... Time off benefits. Security Clearance Information This position requires a government security clearance
Embedded Integration Systems Engineer Sr
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 29 May 2026
Embedded Integration Systems Engineer is responsible for defining, developing, and maintaining the architecture and models... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Systems Engineer - Senior System Safety Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 29 May 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Reliability Engineer Staff
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
Time off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Software Engineer Staff, Level 4
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 29 May 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 Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$107300 - 185840 per year | Date posted: 29 May 2026
Time 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
Cyber Security Engineer Lead
Company: Lockheed Martin |

Location: Littleton, CO - Highlands Ranch, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
to further your career in Cyber Security by working for one of the top companies in the world? As a Cyber Security Engineer.... Experience with Secure Configuration/Hardening of DoD Information Systems 6. Experience with Threat-Based and Intel-Driven Risk
Software Engineer
Company: Lockheed Martin |

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

| Salary: US$88000 - 152490 per year | Date posted: 29 May 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
Electrical Harness Design Engineer - Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 29 May 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
Cyber Security Engineer
Company: Lockheed Martin |

Location: Littleton, CO - Highlands Ranch, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
to further your career in Cyber Security by working for one of the top companies in the world? As a Cyber Security Engineer... (SCC), DISA STIGs 5. Experience with Secure Configuration/Hardening of DoD Information Systems 6. Experience with Threat
Rf Engineer, Staff (level Iv) - Top Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration...LMCareers Business Unit SPACE Security Clearance TS/SCI w/Poly Shift First Direct/Indirect Direct
Software Engineer Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$107300 - 185840 per year | Date posted: 29 May 2026
Time 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 Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$107300 - 185840 per year | Date posted: 29 May 2026
Time 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
Mechanical Harness Design Engineer Iii
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$102800 - 178135 per year | Date posted: 29 May 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
Laser Communication Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 29 May 2026
off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Cyber Security Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 28 May 2026
Security Engineer on the SDNX program. As a Cyber Security Engineer supporting the SDNX program, your responsibilities.../Hardening of DoD Information Systems 5. Experience with Intel Driven Threat Modeling, preferably classified Cyber Threat Intel
Mechanical Engineer Staff - Propulsion
Company: Lockheed Martin |

Location: Englewood, CO, USA

| Salary: unspecified | Date posted: 28 May 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
Electrical/test Engineer Ii
Company: Lockheed Martin |

Location: Littleton, CO - Englewood, CO, USA

| Salary: US$80600 - 139840 per year | Date posted: 28 May 2026
and test of integrate test systems, and experience as Subject Matter Engineer or equivalent. Demonstrated an ability to lead... Time off benefits. Security Clearance Information This position requires a government security clearance
Orion Integrated Test Lab Lead
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 28 May 2026
. Join us in shaping a new era in space and find a career that's built for you. We are seeking a highly experienced systems engineer...LMCareers Business Unit SPACE Security Clearance None Shift First Direct/Indirect Direct Business Area
Test Engineer Iii, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 28 May 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
Project Engineer Staff
Company: Lockheed Martin |

Location: Englewood, CO, USA

| Salary: unspecified | Date posted: 28 May 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
Test Engineer Iii, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 28 May 2026
Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration...LMCareers Business Unit SPACE Security Clearance Secret Shift First Direct/Indirect Direct Business
Project Engineer Staff
Company: Lockheed Martin |

Location: Englewood, CO, USA

| Salary: unspecified | Date posted: 28 May 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
Electronics Engineer Iv, Product Engineer, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 27 May 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
Project Engineer Iii - Mid Career (spacecraft Test Systems)
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$98300 - 170315 per year | Date posted: 27 May 2026
LMCareers Business Unit SPACE Security Clearance None Shift First Direct/Indirect Direct Business Area... Avionics Organization at Lockheed Martin Space, our team is passionate about developing test systems that ensure mission
Mission Systems Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 27 May 2026
WORK Lockheed Martin's Mission Engineering and Operations team is seeking a talented level 4 Mission Systems Engineer... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Electronics Engineer Iv, Avionics
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 26 May 2026
Product Engineer in efforts to certify avionics hardware, and its interfaces to other systems, as ready for flight. Develop... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Electronics Engineer Iii, Avionics
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 26 May 2026
Product Engineer in efforts to certify avionics hardware, and its interfaces to other systems, as ready for flight. Develop... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Electronics Engineer Iii, Battery Design
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$111700 - 193660 per year | Date posted: 25 May 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
Staff Mechanical Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 23 May 2026
Time off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Project Engineer Sr. (1c3)
Company: Lockheed Martin |

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

| Salary: US$98300 - 170315 per year | Date posted: 22 May 2026
Time 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
Senior Network Engineer - Security
Company: EchoStar |

Location: Englewood, CO, USA

| Salary: US$96250 per year | Date posted: 21 May 2026
Engineer addresses the increasing complexity of cloud-integrated architectures by designing resilient, high-performance core... systems that support global operations. This role solves the challenge of maintaining maximum uptime while migrating legacy
Systems Integration/test Engineer - Early Career
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$69200 - 119830 per year | Date posted: 21 May 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
Software Engineer Sr - Level 3
Company: Lockheed Martin |

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

| Salary: US$107300 - 185840 per year | Date posted: 21 May 2026
Time off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Software Engineer Sr - Level 3
Company: Lockheed Martin |

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

| Salary: US$107300 - 185840 per year | Date posted: 20 May 2026
Time off benefits. Security Clearance Information This position requires a government security clearance...LMCareers Business Unit SPACE Security Clearance TS/SCI Shift First Direct/Indirect Direct Business
Ux/ui Project Engineer I
Company: Sierra Nevada Corporation |

Location: Englewood, CO, USA

| Salary: US$143487.14 - 197294.81 per year | Date posted: 20 May 2026
. Qualifications You Must Have: Bachelor's degree in Systems Engineering, Computer Science, Information Systems, or a closely related...The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR
Software Integration/test Engineer
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 20 May 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
Software Integration/test Engineer Asc Manager
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 20 May 2026
LMCareers Business Unit SPACE Security Clearance None Shift First Direct/Indirect Direct Business Area... Space Department 83JQA00:ATLO Test Labs & Svcs ATLS Job Class Systems Engineering: Software Job Category
Sys Integration/test Engineer Staff- Level 4
Company: Lockheed Martin |

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

| Salary: unspecified | Date posted: 19 May 2026
Area Space Department 72C1A00:CS3 Space Security Job Class Systems Engineering: System of Systems Integration... with additional time away from the office and are in addition to our Paid Time off benefits. Security Clearance Information
Full Stack Engineer, Sr / Interim Secret / Onsite: Co Or Pa
Company: Lockheed Martin |

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

| Salary: US$107300 - 185840 per year | Date posted: 19 May 2026
and willingness to obtain and maintain TS Experience as a Systems Architect, Systems Engineer, or Cyber Analyst/Architect, full stack... Clearance Information This position requires a government security clearance, you must be a US Citizen for consideration
Electronics Engineer, Avionics Product Lead Iv
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 19 May 2026
Product Engineer in efforts to certify avionics hardware, and its interfaces to other systems, as ready for flight. Develop... from the office and are in addition to our Paid Time off benefits. Security Clearance Information This position requires
Systems Engineer - Clearance Required
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: US$84300 - 146165 per year | Date posted: 19 May 2026
to transform the future. THE WORK The Lockheed Martin MOATS program is seeking a talented level 2 Systems Engineer... of evolutionary capability improvements. As Systems Engineer you will: Providing Systems Engineering leadership and oversight
Electronics Engineer, Avionics Product Lead Iv, Secret Clearance
Company: Lockheed Martin |

Location: Littleton, CO, USA

| Salary: unspecified | Date posted: 19 May 2026
Time 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
Full Stack Engineer, Staff / Interim Secret / Onsite: Co Or Pa
Company: Lockheed Martin |

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

| Salary: unspecified | Date posted: 19 May 2026
to obtain Top Secret Experience as a Systems Architect, Systems Engineer, or Cyber Analyst/Architect, full stack engineering... Time off benefits. Security Clearance Information This position requires a government security clearance