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  • Remote Principal Consultant: Endpoint Security Architect

    $134.6k - $184.5k

     ...across the U.S. This role requires approximately 10-15 years of experience, and expertise in technical architecture, especially with security solutions like Microsoft Defender and CrowdStrike. Candidates must possess strong interpersonal and communication skills, and be... 
    Suggested
    Remote work

    Optiv

    Arlington, VA
    3 days ago

  • System Engineer- Cyber Security Engineering Focus

    $120.64k - $197.6k

    Overview This position plays a hands-on role securing systems that support critical Defense and Intelligence missions. This position is focused on applying risk management frameworks, engineering security controls, and maintaining system authorizations for cloud and on... 
    Suggested
    Relocation
    Relocation package

    Esri

    Vienna, VA
    11 days ago

  • Senior Cyber Security Engineer

     ...MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA . The Senior Cyber Security Engineer will leverage their strong technical background and knowledge to support the enterprise cybersecurity application... 
    Suggested
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    16 hours ago

  • Senior Cyber Security Engineer

     ...MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA .   You will engineer, design, and sustain Comply-to-Connect (C2C) deployment support to migrate and maintain critical services across unclassified... 
    Suggested
    Full time
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    16 hours ago

  • Senior Cyber Security Engineer

     ...MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA . In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient data collection... 
    Suggested
    Full time
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    16 hours ago

  • Senior Cyber Security Engineer

    $150,000 per week

    ManTech, a leader in providing innovative technologies and solutions for national security, is seeking a Senior Cyber Security Engineer. This role involves developing and implementing security solutions to protect our nation’s critical information systems. You will collaborate... 
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    ManTech International

    Chantilly, Loudoun County, VA
    7 days ago

  • Cybersecurity Engineer: SD-WAN & Network Security Architect

    Valid8 Financial, Inc. is seeking a Cybersecurity Engineer focused on network packet broker to lead security engineering efforts across various networks including SD-WAN and 5G. The ideal candidate will oversee tasks like security architecture development, penetration... 
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    Valid8 Financial, Inc.

    Alexandria, VA
    1 day ago

  • Principal Cyber Security Engineer

     ...seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA . The Principal Cyber...  .... Assessing the performance of security controls within IT projects and evaluating potential system security risks to take... 
    Suggested
    Work at office

    MANTECH

    Chantilly, Loudoun County, VA
    16 hours ago

  • IT Security Engineer

     ...IT Security Engineer At IntraFi, we do more than innovate—we empower. Our services help banks provide vital financial access to small businesses, companies, and consumers across the country. With a network of more than 3,000 financial institutions, we help support... 
    Suggested
    Flexible hours
    Weekend work

    Promontory Interfinancial Network

    Arlington, VA
    a month ago

  • Principal Cyber Security Engineer

    $175,000 per week

    At ManTech, we are committed to safeguarding national security through cutting-edge technology and solutions. We are seeking a Principal Cyber Security Engineer to lead our cybersecurity initiatives and protect our critical information systems. This pivotal role involves... 
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    ManTech International

    Chantilly, Loudoun County, VA
    7 days ago

  • Senior Principal Cyber Security Engineer

    $180,000 per week

    ManTech is seeking a seasoned Senior Principal Cyber Security Engineer to spearhead our cyber defense initiatives, providing robust cybersecurity solutions for our broad spectrum of national security programs. The candidate will play a pivotal role in protecting our digital... 
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    ManTech International

    Chantilly, Loudoun County, VA
    more than 2 months ago

  • IT Security Engineer

     ...IT Security Engineer Zetier seeks experienced IT Security Engineer to support, manage, and secure our rapidly expanding infrastructure. Candidates will demonstrate experience in maintaining, deploying, and troubleshooting segmented IT systems. Strong candidates will... 
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    Zetier

    Arlington, VA
    3 days ago

  • Cyber Security Engineering Specialist III

     ...Cyber Security Engineering Specialist III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran... 
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    Full time
    Contract work
    Part time
    Work at office

    William C Brown Inc

    Springfield, VA
    2 days ago

  • IT Security Engineer — Automate, Harden Networks & Zero Trust

    A technology company is seeking an experienced IT Security Engineer to manage and secure infrastructures while automating processes. Candidates should have substantial experience in IT administration and networking, demonstrating proficiency with security tools and modern... 
    Suggested

    Zetier, Inc.

    Arlington, VA
    4 days ago

  • Cyber Security Engineer (Computer Network Defense)

     ...opportunity, please contact one of our Talent Specialists, Lavanya at (***) ***-****, (or) Deepak at (***) ***-****. Title: Cyber Security Engineer (Computer Network Defense) Location: Quantico, VA Required: • CISSP, CASP+, CISM, CISA or equivalent IAT III / IAM III... 
    Suggested

    divihn.com

    Quantico, VA
    3 days ago

  • Principal Security Architect | Private AI Cloud Infrastructure

    $250k - $340k

     ...Principal Security Architect | Private AI Cloud Infrastructure Location: Reston / McLean, Virginia Compensation: $250,000–$340,000 base...  ...scenarios. Infrastructure Automation Work with platform engineering teams to implement secure infrastructure deployments using Infrastructure... 
    Full time

    Aionia Group

    Reston, VA
    2 days ago

  • Sr. Cyber Security Engineer

     ...Sr. Cyber Security Engineer Data Intelligence is seeking a Senior Cyber Security Engineer to support one of our premier clients in the defense sector. This role offers an exciting opportunity to contribute to mission-critical programs that enhance national security... 

    Data Intelligence

    Dahlgren, VA
    16 hours ago

  • Senior Cyber Vulnerability Assessment Analyst

     ...operational technology in conjunction with IT systems. An example of the type of...  ...Responsibilities: Work closely with client's cyber security team to follow standard vulnerability...  ...to the role of cybersecurity operations engineer Work closely with various teams to... 
    Contract work

    WATI

    Springfield, VA
    16 hours ago

  • Cyber Security System Engineer FSP

     ...Cyber Security System Engineer Cyber Security Systems Engineers work on all systems and/or projects within the Sponsors organization responsible for providing Network Defense. Qualifications: Education and/or Experience: Requires a minimum of three (3)... 

    TENICA

    Herndon, VA
    16 hours ago

  • Cyber Security Project Engineer - TS/SCI FSP

     ...Cyber Security Project Engineer TS/SCI FSP Department: Government Customer- Herndon Location: Herndon, VA Cyber Security Project Engineer...  ...POSITION The Cyber Security InfoSec Engineer provides IT security engineering, integration services and solutions.... 

    TENICA Global Solutions

    Herndon, VA
    2 days ago

  • Cyber Security Systems Engineer - Full Performance

     ...Cyber Security Systems Engineer - Full Performance Cyber Security Systems Engineers work on all systems and/or projects within the Sponsors organization responsible for providing Network Defense. Duties, Tasks, and Responsibilities Beta testing when directed... 
    Full time

    Beyond SOF

    Herndon, VA
    20 days ago

  • Cyber Security Project Engineer

     ...Modernization office provides quality Enterprise IT collaborations and integration across IT...  ..., finances, acquisitions, medical, security, travel, supply chain, facilities, and...  ...technical proposals for presentation to engineering review boards for approval. Demonstrated... 
    Work at office
    Local area

    J5 Consulting

    Chantilly, Loudoun County, VA
    8 days ago

  • Cyber Security Project Engineer

     ...BT-294 - Cyber Security Project Engineer Location: Chantilly, VA (fully on-site, no remote option) **Please do NOT apply if you do not have...  ...Candidate Team shall serve as a Point of Contact (POC) for IT operations. The Candidate Team shall be part of a Sponsor... 
    Remote work

    Bespoke Technologies LLC

    Chantilly, Loudoun County, VA
    2 days ago

  • Cyber Security Project Engineer

     ...Cyber Security Project Engineer Required: Active TS/SCI with Full Scope Polygraph Location: Full-time onsite in Chantilly, VA We are searching...  ..., AI solutions, cybersecurity, staff augmentation, and IT program management. Ardent Principles offers a competitive... 
    Full time

    Ardent Principles Inc

    Chantilly, Loudoun County, VA
    3 days ago

  • Cyber Security Project Engineer

     ...Cyber Security Project Engineer Cyber security project engineer skilled in supporting Information Assurance, Certification & Accreditation and Assessment & Authorization activities. You will successfully guide the team through the security process coordinating and tracking... 

    Prysm Technology Inc

    Herndon, VA
    4 days ago

  • Cyber Security Engineer

     ...Cyber Security Engineer Security Clearance: TS/SCI with Fullscope Polygraph required Seeking a Cyber Security Engineer to support an Intelligence...  ...Demonstrated experience designing, testing, or implementing IT security architecture Demonstrated experience applying... 
    Temporary work
    Flexible hours

    Apogee Integration

    Chantilly, Loudoun County, VA
    3 days ago

  • Cyber Security Architect

     ...package. Visit our website at: . Cyber Security Analyst CANDIDATES MUST HAVE AN ACTIVE...  ..., DCCA has provided a broad range of IT services to government agencies and commercial...  ...• Demonstrated experience with security engineering and network engineering. • Demonstrated... 
    For contractors
    Work at office
    Flexible hours

    Data Computer Corp of America

    Chantilly, Loudoun County, VA
    3 days ago

  • Forescout Cyber Security Engineer

     ...Forescout Cyber Security Engineer, Mid What You'll Work On: · Develop relationships quickly and easily with other teams, communicating...  ...· Associate's degree and 5+ years of experience supporting IT projects and activities, Bachelor's degree and 3+ years of experience... 
    Contract work

    Cinteot Inc.

    Reston, VA
    4 days ago

  • Senior Cyber Security Engineer

     ...Posting Date 02/10/2026 Security Clearance Required TS/SCI w/...  ...in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development....  ...customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA.... 
    Full time
    Work at office
    Local area
    Remote work

    ManTech International Corporation

    Chantilly, Loudoun County, VA
    8 hours agonew

  • Senior Security Architect Private AI Cloud Infra

     ...Aionia Group is seeking a Senior Security Infrastructure Engineer in Reston, VA, to design and implement core security controls for sensitive AI cloud environments. The ideal candidate will have strong experience securing infrastructure at the systems level and prefers... 

    Aionia Group

    Reston, VA
    2 days ago