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IT - Security

IT - Security Jobs

Showing 3,827 Jobs

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Information Systems Security Officer (ISSO)

New
IntelliDyne, LLC
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Washington, DC(On-Site/Office)
Posted today
Top Secret
Not Specified

Information Systems Security Officer (ISSO) Location: Washington, DC (Onsite) Clearance: Top Secret Status: Exempt Salary: $95k - $110k per yearResponsibilities: Work as part of the IT Security Suppo...

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Information Systems Security Engineer (ISSE) – Skill Level 3

New
Kaizen Approach
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Annapolis Junction, MD(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Kaizen Approach is currently seeking an Information Systems Security Engineer (ISSE) to perform or review technical security assessments of computing environments to identify vulnerabilities, non-comp...

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Security Engineer III

New
Serco Inc.
FL(On-Site/Office)
Posted yesterday
Secret
Not Specified

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

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Security Engineer I

New
Serco Inc.
Orlando, FL(On-Site/Office)
Posted yesterday
Secret
Not Specified

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

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Lead, Information Security Systems Engineering

New
L3Harris Technologies
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Chantilly, VA(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

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Information Systems Security Officer, Classified Cybersecurity

New
Lockheed Martin
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Littleton, CO(On-Site/Office)
Posted yesterday
Secret
Not Specified

Job Number 734118BR Description:This position requires ability to obtain and maintain Secret clearance. Must be a U.S. Citizen.This position will perform duties as an Information Systems Security Off...

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Special Programs - Senior Information System Security Manager (I

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

Date Posted:2026-07-02Country:United States of America Location:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

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Systems Security Engineering Section Lead (M4) (Onsite)

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

Date Posted:2026-07-02Country:United States of America Location:US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

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Cyber Security Engineer

New
CSA Global LLC
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Fort Leavenworth, KS(On-Site/Office)
Posted yesterday
5+ yrs exp
Secret
Not Specified

Client Solution Architects (CSA) is currently seeking a Cyber Security Engineer to support our program at Fort Leavenworth, KS.For nearly 50 years, CSA has delivered integrated technology and operatio...

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Software Engineer for Cyber program - FS Poly

New
SRC
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Fort Meade, MD(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Full Scope Polygraph

Our client is a distinguished Women-Owned Small Business and technical defense contractor providing mission-critical engineering to the IC and DoD. Operating as both a prime and subcontractor, they of...

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Vulnerability Researcher - Hybrid - TS/SCI

New
SRC
Remote/Hybrid
Arlington, VA(Off-Site/Hybrid)
Posted yesterday
5+ yrs exp
TS/SCI
Not Specified

Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing. They support the defense and intelligence communities along with commercial clie...

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Cyber Technical Analyst Principal (TS/SCI with Poly Required)

New
GCI, Inc
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Chantilly, VA(On-Site/Office)
Posted yesterday
10+ yrs exp
TS/SCI
Polygraph

Job Category: Cyber and IT Risk ManagementRequisition Number: TECHN002162Job DetailsDescriptionGCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver un...

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(698) Cybersecurity Portfolio Manager

New
Arlo Solutions
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Arlington, VA(On-Site/Office)
Posted yesterday
5+ yrs exp
TS/SCI
Not Specified

New(698) Cybersecurity Portfolio ManagerN/AApplyCompany Summary Arlo Solutions (Arlo) is an information technology consulting services company that specializes in delivering technology solutions. Our ...

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Senior Software Engineer (U.S. Citizen/Security Clearance Requir

New
Task Force Talent
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Chantilly, VA(On-Site/Office)
Posted yesterday
10+ yrs exp
TS/SCI
Full Scope Polygraph

TASK FORCE TALENT Experts in Science, Engineering, and Security Careers XFacebookPinterestCopy LinkWhatsAppEmailShareShare this jobFacebookXLinkedInEmailSenior Software Engineer (U.S. Citi...

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Cyber Threat Intelligence (CTI) Analyst

New
Open Systems Technologies Corporation
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Huntsville, AL(On-Site/Office)
Posted yesterday
10+ yrs exp
Top Secret
Not Specified

ResponsibilitiesAn Cyber Threat Intelligence (CTI) Analyst monitors and analyzes cyber threats, investigates security breaches, and produces reports to enhance the cybersecurity posture. They work wit...

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CCNP-Security - Routing and Switching Engineer

New
Associates Systems LLC
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Philadelphia, PA(On-Site/Office)
Posted yesterday
Secret
Not Specified

US CITIZENSHIP Required DoD SECRET SECURITY CLEARANCE IS Preferred. EXPERIENCE for Senior Security Network Engineer position: Eight (8) years' experience in network security, demonstrating strong e...

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Trellix / HBSS Administrator DOD Secret

New
Associates Systems LLC
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Philadelphia, PA(On-Site/Office)
Posted yesterday
Secret
Not Specified

Active DOD Secret or Interim Secret IAT Level III a MUST Current CASP+ CE, Security-X, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH Certification required #CJ ALL QUALIFIED RESUMES WILL BE ...

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Systems Security Engineer- DOD Secret - Anti-Tamper

New
Associates Systems LLC
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Lowell, MA(On-Site/Office)
Posted yesterday
Secret
Not Specified

All Qualified candidates will be responded to in 24 hours or less Onsite in Tewksbury Ma Employment type: Full Time w-2 or Contract Rate: open to Negotiation Benefits: including Health, Dental Vision...

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CCNP-Security - Routing and Switching Engineer

New
Associates Systems LLC
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Philadelphia, PA(On-Site/Office)
Posted yesterday
Secret
Not Specified

US CITIZENSHIP Required DoD SECRET SECURITY CLEARANCE IS Preferred. EXPERIENCE for Senior Security Network Engineer position: Eight (8) years' experience in network security, demonstrating strong e...

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DOD Secret- IA Cyber Navy Compliance Specialist- IAT Level III-

New
Associates Systems LLC
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Indian Head, MD(On-Site/Office)
Posted yesterday
Secret
Not Specified

New contract award- all qualified resumes will be responded to in 24Hrs or less This is a full-time direct position - Multiple openings DOD active or interim secret required All work to be performed ...

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