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Keywords: Senior Information System Security Engineer, Location: Washington DC

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Senior Systems Engineer

Description Senior Systems Engineer / Leidos Digital Solutions (DSI) Location: Washington, DC (Hybrid) Leidos DSI... is seeking a highly skilled, customer-focused Senior Systems Engineer to support mission-critical infrastructure for high-profile...

Company: Leidos
Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $107900 - 195050 per year

Senior Computer Systems Engineer

Description Senior Systems Engineer / Leidos Digital Solutions (DSI) Location: Washington, DC (Hybrid) Leidos DSI... is seeking a highly skilled, customer-focused Senior Systems Engineer to support mission-critical infrastructure for high-profile...

Company: Leidos
Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $107900 - 195050 per year

Senior Systems Engineer

Description Senior Systems Engineer / Leidos Digital Solutions (DSI) Location: Washington, DC (Hybrid) Leidos DSI... is seeking a highly skilled, customer-focused Senior Systems Engineer to support mission-critical infrastructure for high-profile...

Company: Leidos
Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $107900 - 195050 per year

Senior Systems Engineer

Description Senior Systems Engineer / Leidos Digital Solutions (DSI) Location: Washington, DC (Hybrid) Leidos DSI... is seeking a highly skilled, customer-focused Senior Systems Engineer to support mission-critical infrastructure for high-profile...

Company: Leidos
Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $107900 - 195050 per year

Senior Systems Engineer

Description Senior Systems Engineer / Leidos Digital Solutions (DSI) Location: Washington, DC (Hybrid) Leidos DSI... is seeking a highly skilled, customer-focused Senior Systems Engineer to support mission-critical infrastructure for high-profile...

Company: Leidos
Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $107900 - 195050 per year

Insider Threat Program Chief Engineer

in either DoD, or DHS Certified Information Systems Security Professional (CISSP) Experience gaining and maintaining ATO...Description The Digital Modernization Sector at Leidos currently has an opening for a Chief Engineer supporting the...

Company: Leidos
Location: Washington DC
Posted Date: 24 Feb 2026

Senior Information System Security Engineer

. Job Overview XPECT Solutions is looking for a Information Senior System Security Engineer (ISSE). The Information System Security... Lifecycle Professional (CSSLP) CISSP- Information System Security Engineering Professional(ISSEP) CISSP- Information System...

Company: Xpect Solutions
Location: Washington DC
Posted Date: 11 Mar 2026

Senior System Security and Information Assurance Engineer

engineering, or information assurance Meets Cyber Engineer - Senior labor category requirements, including independent execution... are at the frontier of the Nation's most complex and rewarding challenges. Join our team. The Senior PAM Engineer will play...

Company: Barbaricum
Location: Washington DC
Posted Date: 21 Dec 2025

Information System Security Engineer (ISSE) - Senior

Responsibilities: Services to support Information System Engineering performed by the Information System Security Engineer (ISSE... best practices in support of continuous process improvement. Overview We are seeking an Information System Security Engineer...

Company: TekSynap
Location: Washington DC
Posted Date: 25 Dec 2025

Senior Information Systems Security Engineer

and implement secure technical architectures, including firewalls, encryption, and network defenses. Embed security into system... development life cycles (SDLC). Lead the development of System Security Plans (SSPs), security control traceability matrices...

Company: Peraton
Location: Washington DC
Posted Date: 12 Mar 2026
Salary: $112000 - 179000 per year

Information System Security Engineer

a motivated, career and customer-oriented Senior Information System Security Engineer (ISSE) to join our team in Washington, D.C...- Information System Security Engineering Professional (ISSEP), or CISSP- Information System Security Architecture Professional...

Company: ManTech
Location: Washington DC
Posted Date: 25 Feb 2026

Information Systems Security Engineer (SME)

Information Systems Security Engineer (SME) Full Time, Washington, DC TS clearance with /SCI eligibility... Responsibilities: Lead and mentor a team of security professionals responsible for RMF implementation. Oversee system categorization...

Posted Date: 31 Jan 2026

Information System Security Engineer

What You Will Do: System Boundary Analysis: Define and maintain system security boundaries across hybrid cloud and on-premises environments... and maintain System Security Plans (SSPs), Security Assessment Reports (SARs), Plans of Action and Milestones (POA&Ms), and related...

Location: Washington DC
Posted Date: 11 Mar 2026
Salary: $113000 - 188000 per year

Security Information and Event Management (SIEM) Engineer – Senior Consultant

. What You Will Do: You will design, implement, and support security information and event management (SIEM) capabilities for a federal law enforcement... Professional (CCSP) Certified Information Systems Security Professional (CISSP) What Would Be Nice To Have: Master's degree...

Location: Washington DC
Posted Date: 22 Feb 2026
Salary: $113000 - 188000 per year

Senior Software Security Engineer- Cloud/GovCloud (Top Secret cleared)

Software Security Engineer to lead and oversee mission-critical initiatives in support of the Defense Counterintelligence... later depending on your time zone. What You Will Do: Proactively monitor and assess application and system security...

Location: Washington DC
Posted Date: 08 Mar 2026

Senior Security Engineer, Manufacturing

's Security Engineering team is looking for a security engineer to focus on building world class defensive controls to protect the... information security and infrastructure teams Independently drive security initiatives and foster a security-first mindset...

Location: Washington DC
Posted Date: 29 Jan 2026

Senior Systems Engineer

Job Category: Engineering and Sciences Job Description:  SAIC is seeking a Senior Systems Engineer with broad... support of enterprise infrastructure across Windows, Linux, and hybrid environments. Serve as a senior escalation point...

Company: SAIC
Location: Washington DC
Posted Date: 10 Mar 2026

Senior Windows System Engineer

Job Category: Information Technology Job Description:  SAIC is seeking a well-seasoned Senior Windows System... senior level support for System Center Configuration Manager (SCCM), packaging and distribution of software packages. Make...

Company: SAIC
Location: Washington DC
Posted Date: 10 Mar 2026

Senior Systems Engineer

Job Description: ECS is seeking a Senior Systems Engineer to work in our Washington, DC office. Please Note...: This position is contingent upon contract award. The Senior Systems Engineer will support the Department of Justice, responsible...

Company: ECS
Location: Washington DC
Posted Date: 01 Mar 2026
Salary: $140000 - 160000 per year

Senior IT Systems Engineer

Overview: Senior IT Systems Engineer Location: Washington Navy Yard, Washington D.C. Position Overview The... Senior IT Systems Engineer will provide advanced systems engineering support to the Naval Sea Systems Command Safety...

Company: Rivet
Location: Washington DC
Posted Date: 22 Feb 2026