IT - Software Jobs

IT - Software

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IT - Software Jobs requiring security clearance

Lead Model-Based Systems Engineer

New
STR
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Arlington, VA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

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Lead Model-Based Systems Engineer

New
STR
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Dayton, OH(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

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Principal Model-Based Systems Engineer

New
STR
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Arlington, VA(On-Site/Office)
Posted yesterday
Secret
Not Specified

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The System...

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Senior Software Engineer

New
STR
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San Diego, CA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

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Lead Model-Based Systems Engineer

New
STR
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Woburn, MA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

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Senior Software Engineer

New
STR
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Melbourne, FL(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

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Senior Software Engineer

New
STR
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Dayton, OH(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

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Senior Software Engineer

New
STR
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Woburn, MA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

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Senior Software Engineer

New
STR
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Arlington, VA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

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Senior Mission Planning Engineer/ Senior Systems Engineer (Onsit

New
RTX
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Tucson, AZ(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Ac...

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Principal Mission Planning Technical Lead/ Principal Systems Eng

New
RTX
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Tucson, AZ(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-AZ-TUCSON-9030 ~ 9030 S Rita Rd ~ BLDG 9030Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Ac...

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Engineer II, Systems Engineering - Onsite El Segundo, CA

New
RTX
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El Segundo, CA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-30Country:United States of AmericaLocation:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

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Principle Information Systems Engineer - ONSITE McKinney, TX

New
RTX
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Mckinney, TX(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-30Country:United States of AmericaLocation:US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDGPosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...

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Senior Principal Systems Engineer - Product and Capability Lead

New
RTX
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Marlborough, MA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requiremen...

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Senior Systems Safety Engineer

New
RTX
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Tewksbury, MA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-30Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

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Principal Software Engineering Architect (Onsite)

New
RTX
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Tewksbury, MA(On-Site/Office)
Posted yesterday
Top Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

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Principal Systems Engineer (Modeling & Simulation)

New
RTX
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Tewksbury, MA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 ConcordPosition Role Type:Onsite U.S. Citizen, U.S. Person, or I...

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2026 Fulltime Raytheon Precision Control and Actuation Systems M

New
RTX
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Tucson, AZ(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-AZ-TUCSON-M10 ~ 3360 E Hemisphere Loop ~ BLDG M10Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requiremen...

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2026 Fulltime Configuration Management Analyst I (Onsite)(AZ)

New
RTX
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Tucson, AZ(On-Site/Office)
Posted yesterday
Secret
Not Specified

Date Posted:2026-04-29Country:United States of AmericaLocation:US-AZ-TUCSON-807 ~ 1151 E Hermans Rd ~ BLDG 807Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: T...

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Software Developer

New
Peraton
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Herndon, VA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

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