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Washington, District of Columbia

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Today

Cybersecurity SME Dexian Government Solutions is recruiting for a Cybersecurity SME to support our contract at the JWCC Engineering/PMO Support in Zachary Taylor Building - Arlington, VA Location: Zachary Taylor Building - Arlington, VA (HYBRID) Position Overview: The contractor shall provide cybersecurity expertise, subject matter expertise and strategic technical information support for enterprise security architecture, compliance frameworks, and trusted system relations while supporting th

Full-time

Cybersecurity Engineer SME

Washington, District of Columbia

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Today

Job ID: T2511132 Location: Washington, DC, US Date Posted: 2026-03-05 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description ? SAIC is seeking a Cybersecurity Engineer SME to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development Operations (DevOps) and Sustainment Support (ADOS) progr

Full-time

USD 160,001.00 - 200,000.00 per year

Cyber Security SME

McLean, Virginia

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2d ago

Job DescriptionWe are seeking a highly skilled Cybersecurity Subject Matter Expert (SME) to support a federal government program. This role focuses on securing enterprise applications, cloud infrastructure, and modern data center environments while ensuring compliance with federal and DoD cybersecurity standards. Key ResponsibilitiesImplement and maintain cybersecurity controls across enterprise systems and applications Execute the Risk Management Framework (RMF) lifecycle, including system auth

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Contract

Depends on Experience

Cybersecurity Network Architect SME

Arlington, Virginia

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Today

MTSI is seeking a Cybersecurity Network Architect SME with expertise in Zero-Trust architectures, Cross-Domain Solutions (CDS), and advanced Risk Management Framework (RMF) processes to deliver secure, innovative solutions for mission-critical systems. This position requires strategic leadership and technical expertise to deliver secure and scalable solutions that address emergent challenges in cybersecurity, mission assurance, and cross-domain collaboration for DoD operations. Responsibilities:

Full-time

Cyber Security Engineer (SME)

Bethesda, Maryland

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Today

Leidos has an exciting opportunity for Cyber Security Engineer SME in our Intel Security Sector's Analysis Solutions Business Area. 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 vesting, Flexible Schedule

Full-time

USD 154,050.00 - 278,475.00 per year

Cyber Security Analyst SME - TS/SCI w/ Polygraph

McLean, Virginia

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Today

Type of Requisition: Regular 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: Cyber and IT Risk Management Job Qualifications: Skills: Documentations, Microsoft Azure, NIST, Risk Management Framework Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Cyber

Full-time

USD 162,959.00 - 220,472.00 per year

SME Cybersecurity Architect

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Architect to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners, engi

Full-time

USD 131,300.00 - 237,350.00 per year

SME Cyber Security Engineer

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partners, engin

Full-time

USD 131,300.00 - 237,350.00 per year

SME Cybersecurity Systems Engineer

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Systems Engineer to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government partner

Full-time

USD 131,300.00 - 237,350.00 per year

SME Cybersecurity Systems Engineer Lead

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Cybersecurity Systems Engineer Lead to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government pa

Full-time

USD 131,300.00 - 237,350.00 per year

Cybersecurity SME

Remote

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Today

Overview Mano Lani LLC is looking for an enthusiastic, well-qualified individual to fill the Cybersecurity Subject Matter Expert (SME) position. This role offers the opportunity to work with a diverse and talented group of individuals committed to driving success. Mano Lani is an exceptional industry partner to the Department of Defense (DoD) and a leader in physical and cyber security, IT management, logistics, supply chain management, process improvement and development. The Cybersecurity Sub

Full-time

USD 135,000.00 - 163,000.00 per year

Cybersecurity, SME

Remote

•

Today

Overview Job Summary Galapagos Federal Systems LLC is seeking a qualified and motivated individual to serve as a Cybersecurity Subject Matter Expert (SME) supporting the Defense Travel Management Office (DTMO). This role provides the opportunity to work with a collaborative team supporting mission-critical enterprise systems. The Cybersecurity SME provides cybersecurity oversight for the DTMO Enterprise Infrastructure in accordance with the Risk Management Framework (RMF), NIST SP 800-37, and

Full-time

USD 135,000.00 - 163,000.00 per year

SME Zero Trust Cyber Security Analyst Lead

Alexandria, Virginia

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Today

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Zero Trust Cyber Security Analyst to support the delivery, enhancement, and adoption of enterprise data and analytics products used across multiple DoD organizations. In this role, you will work alongside government part

Full-time

USD 131,300.00 - 237,350.00 per year

Cybersecurity Engineer SME

Remote

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Today

Job ID: T2511132-OTHLOC-859 Location: Remote Work, VA, US Date Posted: 2026-03-05 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_HYBRID Description ? SAIC is seeking a Cybersecurity Engineer SME to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development Operations (DevOps) and Sustainment Support

Full-time

USD 160,001.00 - 200,000.00 per year

Cybersecurity Manager (with Active Security Clearance)

Hybrid in Washington, District of Columbia

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11d ago

Title :Cybersecurity Manager (with Active Security Clearance) Location: Pennsylvania (PA) or Washington, DC Hybrid Job Summary The Cybersecurity Manager is responsible for leading the organization''s cybersecurity strategy, ensuring the protection of information systems, networks, and sensitive government data. This role oversees security operations, risk management, compliance, and incident response while ensuring adherence to federal cybersecurity standards. The manager leads a team of cybe

Easy Apply

Full-time

Depends on Experience

Senior Cybersecurity Engineer (CSfC Specialist)

Alexandria, Virginia

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Today

Job Title: Senior Cybersecurity Engineer (CSfC Specialist) Location:Bolling AFB, Washington, DC Type: Direct Hire Clearance:Active TS/SCI or Top Secret (Required) Contact: Crystal.dinnocenti@systemone.com A Senior CSfC Cybersecurity Engineer focuses on creating, deploying, and maintainingNSA-compliant secure communication solutionsusing layered commercial products. The role emphasizes designing architectures that protectData at Rest (DAR)andData in Transit (DiT)while supporting mission-critical

Easy Apply

Full-time

$170000

Cybersecurity Engineer III(no third party only W2)

Hybrid in Silver Spring, Maryland

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Today

Job Description: Notes: Sourcing out of MD Silver Spring, DC, or ATL Techwood. Must Have Skills / Requirements 1) Implementing advanced cyber security technology in a complex environment a. 5+ years of experience; Hands-on experience in security engineering, hands-on experience in building, designing, and maintaining enterprise security tools. 2) Scripting experience (using Python, Go, or other equivalent languages) a. 5+ years of experience. 3) Hands-on Experience with automation technologies a

Easy Apply

Contract

$80 - $85

Cybersecurity Engineer III

Silver Spring, Maryland

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8d ago

We are seeking an experienced Cybersecurity Engineer to support the implementation and management of advanced security technologies in a complex enterprise environment. This role focuses on designing, building, and maintaining security platforms, automating security processes, and strengthening cloud and network security infrastructures. The ideal candidate will bring strong expertise in security engineering, automation, scripting, Linux systems, and cloud security. Key Responsibilities Design,

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Contract

$60 - $90

Sr. Cybersecurity Engineer (CSfC) -TS/SCI

Hybrid in Washington, District of Columbia

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Yesterday

Role: Sr. Cybersecurity Engineer (CSfC)Location: Washington, D.C. (Hybrid)Type: FTEClient: Federal (Highly Sensitive Program) Must-Have (Strict Non-Negotiable): Active TS/SCI Clearance Strong hands-on CSfC (Commercial Solutions for Classified) experience Certification: CASP+ (Preferred) OR Security+ (Minimum required) Experience working on federal / defense / government projects Submission Focus: Active TS/SCI (no exceptions) Real-time CSfC implementation experience CASP+ / Security+ certified

Easy Apply

Full-time

170 - 190

Systems/Cybersecurity Administrator

Washington, District of Columbia

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Today

Title: Systems/Cybersecurity Administrator Duration: 1-5 Years Location: Washington, DC JD: 5+ years systems admin/cyber in federal environments (DISA STIG compliance essential). - Expertise in patching/upgrades, SOE maintenance, tools like Burp Suite, Certificates, CrowdStrike, JAWS, Logs Explorer, Qualys, Uptime, WinZip. - Cloud platforms (Google Cloud); network security; risk management. - AI/ML for audits/anomalies (aligns with Mason's strengths, but needs depth in listed tools).

Easy Apply

Full-time, Contract

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