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Continuous Monitoring Engineer (ConMon)

Leidos

•

Alexandria, Virginia, USA

Full-time

Description Leidos is seeking multiple ConMon Engineers to be responsible for overseeing and monitoring all authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but some partial telework may be available at the discretion of our customer and program management. Some travel may be re
Posted 21 days ago | Updated 1 hour ago

Continuous Monitoring Engineer (ConMon)

Leidos

•

Odenton, Maryland, USA

Full-time

Description Leidos is seeking multiple ConMon Engineers to be responsible for overseeing and monitoring all authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but some partial telework may be available at the discretion of our customer and program management. Some travel may be re
Posted 21 days ago | Updated 1 hour ago

Cyber Security Operations Specialist/ Intrusion Detection (Top Secret/SCI) SHIFT WORK

ALTA IT Services

•

Springfield, Virginia, USA

Full-time

Job Title: Cyber Security Operations Specialist/ Intrusion Detection (Top Secret/SCI) SHIFT WORK Location: Springfield, Virginia Type: Direct Hire Contractor Work Model: Onsite Security Clearance: Active Top Secret/SCI Cyber Security Operations Specialist Springfield, VA or St. Louis TS/SCI Supporting NGA Salary: $115,000/year Atleast 2-3 years' experience What You'll Get to Do: Provide cyber threat intelligence services for the collection, fusion, analysis, creation, and distribution of threat
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Posted 11 days ago | Updated 10 hours ago

Security Engineer

Leidos

•

Camp Springs, Maryland, USA

Full-time

Description Leidos has a career opportunity for a Security Engineer to support the Air Force National Capital Region IT Services program. The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBA
Posted 54 days ago | Updated 1 hour ago

Information Systems Security Officer

SAIC

•

Arlington, Virginia, USA

Full-time

Job ID: 2507985 Location: ARLINGTON, VA, US Date Posted: 2025-07-29 Category: Cyber Subcategory: Cyber GRC Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description SAIC is seeking an experienced and proactive expert to join our distinguished Information Assurance/Information Security (InfoSec) team. The ideal candidate will exemplify a results-driven attitude and possess th
Posted 1 day ago | Updated 11 hours ago

Continuous Monitoring Engineer (ConMon)

Leidos

•

Alexandria, Virginia, USA

Full-time

Leidos is seeking multiple ConMon Engineers to be responsible for overseeing and monitoring all authorized IT systems (re-authorization and new systems) throughout their lifecycle for security posture impact. These positions can be based out of any of our three locations - Alexandria, VA, Fort Meade, MD, or Chambersburg, PA. These positions are primarily on-site, but some partial telework may be available at the discretion of our customer and program management. Some travel may be required. Res
Posted 17 days ago | Updated 2 hours ago

Security Engineer

Leidos

•

Camp Springs, Maryland, USA

Full-time

Leidos has a career opportunity for a Security Engineer to support the Air Force National Capital Region IT Services program. The AFNCR IT Services program provides support services for information systems for Headquarters Air Force (HAF), Air Force District of Washington (AFDW), Office of the Secretary of Defense (OSD), Joint Chiefs of Staff, and other Air Force activities within the AFNCR, missions to include the Pentagon, Joint Base Andrews (JBA), Joint Base Anacostia-Bolling (JBAB), and othe
Posted 51 days ago | Updated 2 hours ago

GIS/ArcGIS Systems Administrator (TS/SCI)

Maxar Technologies Holdings Inc

•

Herndon, Virginia, USA

Full-time

Please review the job details below. We are seeking an experienced Esri System Administrator to support geospatial enterprise systems within a government/defense environment. This position offers you the chance to work on a tight knit team and learn from seasoned pros to level up your career. The ideal candidate will have successful experience with ArcGIS Enterprise, secure system administration practices, and working within IC or DoD secure environments. Together with your team, you will be re
Posted 2 days ago | Updated 2 hours ago

Systems Administrator

General Dynamics

•

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Storage Management, Unix, Windows Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterpr
Posted 7 days ago | Updated 2 hours ago

Cyber Security Engineer - Hybrid Work Opportunity

General Dynamics

•

Remote or Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Cyber Engineering Job Qualifications: Skills: Cyber Defense, Cybersecurity, Information Assurance, Information Technology Security, Network Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: We are GDIT. The people supporting some of the most complex go
Posted 50 days ago | Updated 2 hours ago

Cyber Security Engineer (SME)

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for Cyber Security Engineer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and im
Posted 2 days ago | Updated 1 hour ago

Information Systems Security Engineer

Cornerstone Defense

•

Annapolis, Maryland, USA

Full-time

Location: Annapolis Junction Type: Contract Job #3709 Title: Information Systems Security Engineer Location: Annapolis Junction, MD Compensation Range: $195 -$215K *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work
Posted 38 days ago | Updated 2 hours ago

Computer Security Engineer -02122

Syneren Technologies

•

Alexandria, Virginia, USA

Full-time

Job Description: Syneren is currently seeking a Computer Security Engineer. Job Location: Alexandria (onsite) Key Responsibilities: Manage and maintain the Cybersecurity infrastructure (ACAS, Trellix, Sentinel, Defender for Cloud, ForeScout), including policy configuration, deployment, and monitoring. Administer and configure ACAS (Nessus) to perform vulnerability scanning, compliance assessments, and reporting across the enterprise. Monitor, analyze, and respond to cybersecurity threats and inc
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Posted 60+ days ago | Updated moments ago

Information Systems Security Engineer (ISSE)

Apex Systems

•

Washington, District of Columbia, USA

Full-time

Job#: 2080503 Job Description: Apex Systems is seeking an Information Systems Security Engineer (ISSE) to support the US Airforce at the Pentagon. If interested, email your resume. Position: ISSE Location: Fully onsite @ the Pentagon Hours: M-F 8 hour shift between 6AM-6PM Job type: Long term contract Certifications: Must have Security + Overview: Seeking high-level IT Professionals to provide cyber security and security engineering services including system security engineering, cybersecuri
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Posted 8 days ago | Updated 14 hours ago

System Security Engineer

Jacobs

•

Fort Meade, Maryland, USA

Full-time

Amentum is seeking a highly skilled System Security Engineer to support the design, implementation, and ongoing operations of enterprise security tools-including ACAS (NessTenable.sc), Trellix ePO (formerly McAfee ePolicy Orchestrator), and Microsoft Endpoint Configuration Manager (MECM/SCCM)-in a Department of Defense (DoD) environment. The successful candidate will play a critical role in enhancing cybersecurity posture, ensuring system compliance, and supporting vulnerability management and e
Posted 3 days ago | Updated 2 hours ago

Cyber Security Analyst / ISSO

Scientific Research Corporation

•

Reston, Virginia, USA

Full-time

Description The Cyber Security Analyst / ISSO will be a member of a small team focusing on developing services and applications in a DevSecOps based environment in support of DIA. Engineering will be performed on Joint Worldwide Intelligence Communications System (JWICS) and National Security Agency Network (NSANet) connected systems. As a Cyber Security Analyst/ Information Systems Security Officer (ISSO), this position is responsible for supporting the Information System Owner to complete sec
Posted 19 days ago | Updated 2 hours ago

Secure Wireless Engineer

General Dynamics

•

Springfield, Virginia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Network Connectivity, SSL VPN, Virtual Private Networks (VPNs), Wireless Networks Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Own your opportunity to serve as a critical compone
Posted 60+ days ago | Updated 2 hours ago

Information Systems Security Officer (ISSO)

Radiance Technologies

•

Maryland, USA

Full-time

Radiance Technologies, a 100% employee-owned company, is seeking a Journeyman Information Systems Security Officer (ISSO) to support cybersecurity operations for the Project Manager for Cyber and Space (PM C&S) within the Program Executive Office for Intelligence, Electronic Warfare, and Sensors (PEO IEW&S). The ISSO will assist in safeguarding DoD information systems, ensuring cybersecurity compliance, and implementing DoD cyber policies and standards throughout system lifecycles. This position
Posted 60+ days ago | Updated 2 hours ago

Cyber Security Engineer (SME)

Leidos

•

Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for Cyber Security Engineer SME in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vest
Posted 60+ days ago | Updated 2 hours ago

Information Systems Security Officer

Base-2 Solutions, LLC

•

Fort Meade, Maryland, USA

Full-time

Job Description: Base-2 Solutions is seeking a dedicated and detail-oriented Information Systems Security Officer (ISSO) to join our team. Our ISSOs are responsible for ensuring the security posture of mission-critical systems by supporting compliance efforts, managing risk, and enforcing security policies. We're looking for individuals who excel at navigating complex cybersecurity environments, maintaining meticulous documentation, and fostering collaboration between technical teams and govern
Posted 60+ days ago | Updated 2 hours ago