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Top Secret/SCI Pennsylvania

Top Secret / SCI Clearance Jobs in Pennsylvania

Showing 212 Jobs

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Software Engineer Sr - Level 3

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
King Of Prussia, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number 726988BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

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Technical Lead

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

What We Do: The SEI helps advance software engineering principles and practices and serves as a national resource in software engineering and computer security. The SEI works closely with academia, de...

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Senior Cybersecurity Engineer

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Cybersecurity Risk Engineers at the SEI use advanced skills in statistics, mathematics, risk analysis, systems engineering, economics and other technical fields in an interdisciplinary manner to help ...

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Senior C Programmer

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

What We Do:Our team in the Cyber Risk and Resilience Directorate researches and develops software tools capable of collecting, storing, and analyzing organizational network data to provide security an...

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C Programmer

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

What We Do:Our team in the Cyber Risk and Resilience Directorate researches and develops software tools capable of collecting, storing, and analyzing organizational network data to provide security an...

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Staff Computer Vision AI/ML Engineer

New
CACI
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King Of Prussia, PA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Title: Staff Computer Vision AI/ML EngineerJob Category: ScienceTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: NoneType of Trav...

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Sr Advanced Space Systems Engineer- Pittsburgh, PA

New
General Dynamics Mission Systems
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Pittsburgh, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Basic QualificationsRequires a Bachelor's degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Mast...

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Senior System Administrator

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

Job Number 733266BR Description:***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently September 2026 . Any job offers extended to chosen candidates ...

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Program Manager

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

Job Number 733078BR Description:WHAT WE'RE DOINGAs a key component of Lockheed Martin's Rotary & Mission Systems business area, Radars, Electronic Warfare, and Acoustic Systems (REAS) serves as the c...

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Assistant AI Security Software Engineer

New
Software Engineering Institute
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Pittsburgh, PA(On-Site/Office)
Posted yesterday
TS/SCI
Not Specified

The CERT Division of the Software Engineering Institute (SEI) is seeking applicants for the role of Assistant AI Security Software Engineer. Established in response to the Morris worm, CERT has been ...

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Software Engineer Sr

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Job Number 727691BR Description:WHO WE ARELockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future ...

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Sr. Configuration Management Engineer

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Job Number 732513BR Description:At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. Webelieve that by applying the highest standards of business ethics and visio...

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Software Engineer (Java)

New
Everforth Apex Systems
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State College, PA(On-Site/Office)
Richardson, TX(On-Site/Office)
Dulles, VA(On-Site/Office)
El Segundo, CA(On-Site/Office)
Posted 2 days ago
TS/SCI

If interested, please apply here or email an updated copy of your resume to Andie at afescemyer@apexsystems.com. Locations (Onsite): Aurora, CO, Richardson, TX, Dulles, VA, State College, PA, El Segu...

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Access Control/Security Guard 3

New
Arcfield
Chesterbrook, PA(On-Site/Office)
Posted 2 days ago
TS/SCI
Polygraph

ResponsibilitiesUnder general supervision, the selectee is responsible for performing a full range of access control and physical security functions, including complex assignments in support of mainta...

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Information System Security Officer (ISSO) - State College, PA

New
RTX
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State College, PA(On-Site/Office)
Posted 2 days ago
TS/SCI
Polygraph

Date Posted:2026-06-22Country:United States of America Location:US-PA-STATE COLLEGE-5A ~ 302 Science Park Rd ~ BLDG 5A Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...

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Operations Analyst/Operations Research

New
Lockheed Martin
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King Of Prussia, PA(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

Job Number 729774BR Description:This analyst in the Operations Analysis Group (aka "Possum Works") will join a dynamic team environment with a unique culture supporting a myriad of Program and Indepe...

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Ground Cyber and Electronic Warfare Business Development Analyst

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
King Of Prussia, PA(On-Site/Office)
Posted 3 days ago
TS/SCI
CI Polygraph

Job Number 720798BR Description:What We're Doing:At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of busines...

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Senior Cybersecurity Engineer

New
Software Engineering Institute
Apply today! Be one of the first candidates to apply for maximum exposure.
Pittsburgh, PA(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

Position Summary:Do you want to make a difference and help support the resilience and security of the nation? As part of the Cyber Risk and Resilience Directorate, you will be part of a team of cyber...

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Cybersecurity Engineer

New
Software Engineering Institute
Apply today! Be one of the first candidates to apply for maximum exposure.
Pittsburgh, PA(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

Position Summary:Do you want to make a difference and help support the resilience and security of the nation? As part of the Cyber Risk and Resilience Directorate, you will be part of a team of cyber...

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Network Administrator - NETOPS

New
The Bison Group
Apply today! Be one of the first candidates to apply for maximum exposure.
PA(On-Site/Office)
Posted 6 days ago
TS/SCI
CI Polygraph

DescriptionAs a Tier 2 Network Administrator, you'll be challenged with enterprise support problems where you will coordinate with the Network Operations Center and other Operational staff to address ...

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