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Keywords: Information System Security Engineer, Location: McLean, VA

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Information System Security Engineer

Job Category: Cyber Job Description:  SAIC is seeking an Information System Security Engineer (ISSE) to provide... information security support. This position is in McLean, VA and requires an active TS/SCI clearance with Polygraph...

Company: SAIC
Location: McLean, VA
Posted Date: 10 Mar 2026

Information System Security Engineer (ISSE) – Senior

an experienced Information System Security Engineer (ISSE) - Senior to provide senior-level security engineering support... or security engineering certifications aligned to RMF * Strong expertise in information system security engineering and secure...

Location: McLean, VA
Posted Date: 21 Feb 2026

Cloud Information System Security Engineer (ISSE) – Senior

an experienced Cloud Information System Security Engineer (ISSE) - Senior to provide senior-level security engineering support... National Security Systems (NSS), as applicable. Proven experience collaborating with system owners, architects, developers...

Location: McLean, VA
Posted Date: 20 Feb 2026

Information System Security Engineer (ISSE)

TLA is seeking an Information System Security Engineer (ISSE). This is a critical role responsible for designing...: A minimum of 5-8 years of experience in information security engineering, system administration, and/or cybersecurity...

Company: TLA-LLC
Location: McLean, VA
Posted Date: 24 Dec 2025

Industrial Control System Platform Security Engineer

Industrial Control System Platform Security Engineer The Opportunity: A robust cybersecurity framework is essential... demands a mix of technical expertise and strategic foresight. That's why we need you, an OT security engineer who knows...

Location: McLean, VA
Posted Date: 01 Mar 2026
Salary: $86800 - 198000 per year

Application Security Engineer

’s IT Security group as an Application Security Engineer and play a crucial role in safeguarding Strategy’s software... of a mission to push the boundaries of analytics and redefine financial investment Job Description Application Security...

Company: Strategy Inc
Location: Tysons Corner, VA
Posted Date: 05 Mar 2026

Cyber Security Engineer

in one or more of the following to : system security design process; engineering life cycle; information domain; cross domain solutions... Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

IT Security Engineer

in one or more of the following to : system security design process; engineering life cycle; information domain; cross domain solutions... Security Engineer, to assist with the release of a state-of-the-art technology stack under the DOMEX Technology Platform (DTP...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 03 Mar 2026
Salary: $107900 - 195050 per year

FRCS Platform Security Engineer

FRCS Platform Security Engineer The Opportunity: A robust cybersecurity framework is essential for safeguarding... and strategic foresight. That's why we need you, an Operational Technology (OT) security engineer who knows how to craft...

Location: McLean, VA
Posted Date: 16 Feb 2026
Salary: $86800 - 198000 per year

Application Security Engineer

Overview: As an Application Security Engineer, you will provide technical expertise and solutions to remediate... with one another. You will work directly with system admin teams to assist and remediate vulnerabilities and harden environments, while providing...

Company: Steampunk
Location: McLean, VA
Posted Date: 06 Feb 2026
Salary: $100000 - 155000 per year

Cyber Security Engineer (IN-STAR-4153)

will play a critical role in ensuring that the project's system sand infrastructure are designed and implemented with security... and maintain compliance throughout the full lifecycle of the A&A process.The Cyber Security Project Engineer will work with the...

Location: McLean, VA
Posted Date: 22 Jan 2026

Cyber Security Project Engineer

fields of technology. Currently we have an immediate need to add an experienced: Cyber Security Project Engineer... the Authority to Operate (ATO) status. Demonstrated experience assessing, addressing, and implementing system security...

Company: Armison Tech
Location: McLean, VA
Posted Date: 22 Jan 2026

Application Security Engineer

Title: Senior Application Security Engineer Location : McLean, VA Target Start Date : ASAP Type: contract Pay Rate...: DOE The Senior Application Security Engineer is responsible for planning, coordinating, and implementing application...

Company: ConsultNet
Location: McLean, VA
Posted Date: 15 Jan 2026

Systems Engineer Lead

Job Title: System Engineer Lead Location: Hybrid (3 days onsite preferred in Plano, TX or McLean, VA) Role Overview... We are seeking a Security Operations Engineer – Identity/IAM to support and enhance enterprise identity and authentication...

Posted Date: 27 Feb 2026

System Engineer / Slack Administrator

Job Title: Systems Engineer - Slack Administrator/ Engineer Duration: 10 Months Location: Richmond/McLean, VA Role... administration, security controls, access management, and instance migration. The ideal candidate will have hands-on experience...

Posted Date: 04 Feb 2026

Enterprise Systems Engineer SME

Description Leidos has a new and exciting opportunity for an Enterprise Architect/Systems Engineer in our Intel... Sector Analysis Solutions Business Area (ASBA). Our talented team is at the forefront in Security Engineering, Computer...

Company: Leidos
Location: Glen Echo, MD
Posted Date: 04 Mar 2026
Salary: $131300 - 237350 per year

AWS Systems Engineer - TS/SCI with Polygraph

Engineer supporting an information technology enterprise. At GDIT, people are our differentiator. As an AWS Systems Engineer... experience with Enterprise Information Technology (EIT) and supported utility and security applications. Demonstrated experience...

Company: General Dynamics
Location: McLean, VA
Posted Date: 01 Mar 2026

Network and Systems Engineer

. You Have: 2+ years of experience with systems engineering, integration, or administration Experience maintaining system security...Network and Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills...

Location: McLean, VA
Posted Date: 25 Feb 2026
Salary: $86800 - 198000 per year

Deputy Chief Systems Engineer - TS/SCI with CI Polygraph

to a government security investigation for access to classified information.* ABOUT US At MGS, we believe a people-first culture...TITLE: Deputy Chief Systems Engineer LOCATION: McLean, VA CLEARANCE REQUIRED: Active DoD TS/SCI with CI Polygraph...

Posted Date: 19 Feb 2026

Systems Engineer/DevOps Database Administrator SQL/Oracle

) Overview: We are seeking a highly skilled Systems Engineer – SQL/Oracle Database to support database operations...-based application platform used by development, QA, and system teams. What You Will Do: Deploy, manage, and maintain...

Location: McLean, VA
Posted Date: 15 Feb 2026