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  •  ...testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking a Sr. Information System Security Engineer to be part of our Security team and based out of our Arlington, VA location. Experience in managing, maintaining,... 
    Senior
    Full time
    Work at office
    Immediate start

    Innovative Defense Technologies

    Arlington, VA
    4 days ago
  • $153k - $207k

     ...and honest with each other. Come and join our dynamic team! JOB DESCRIPTION Seeking a highly motivated and driven Sr. Information Assurance Security Engineer (IASE) (Air Systems) to work Onsite supporting enterprise IT for our War-fighter customer who upholds America\'s... 
    Senior
    Contract work
    Temporary work
    Work at office
    Local area

    Rollout Systems, LLC

    Arlington, VA
    5 days ago
  • A leading real estate analytics firm in Virginia is seeking a Senior Security Engineer to lead incident response and enhance security posture. The role demands a strong background in information security, excellent scripting abilities, and effective communication. This... 
    Senior

    CoStar Group, Inc.

    Arlington, VA
    17 hours ago
  • A leading global provider of real estate analytics seeks a Senior Security Engineer in Arlington, VA. The role involves leading incident responses, implementing security tools, and conducting security posture reviews. Candidates should have 6+ years in Information Security... 
    Senior

    CoStar

    Arlington, VA
    4 days ago
  • A leading cybersecurity company is looking for a Network Security Engineer in Arlington, VA. The role involves supporting a federal customer's Zscaler suite, configuring systems for optimal performance, and ensuring security compliance. The ideal candidate must have at... 
    Senior

    Uvcyber

    Arlington, VA
    3 days ago
  • A technology-driven security firm is looking for a Senior-Level Security Engineer & Operations professional to lead cybersecurity efforts for federal systems. Responsibilities include Zero Trust implementation, SIEM/SOAR operations, and advanced risk assessment. Candidates... 
    Senior
    Remote job

    ARETUM Holdings LLC

    Bethesda, MD
    17 hours ago
  • Overview Tier One Technologies is seeking a Sr. Cloud Security Engineer to support our direct US Government client. This contract-to-hire position is 100% remote . US citizenship is required. SELECTED CANDIDATES WITHOUT REQUIRED CLEARANCE WILL BE SUBJECT TO A FEDERAL... 
    Senior
    Remote job
    Contract work

    A.C. Coy

    Arlington, VA
    17 hours ago
  • Overview Job Title: Sr Network Security Engineer Job Location: Falls Church, Virginia Eligibility/Clearance: Required to obtain a Public Trust Clearance Job Description Advance your career while impacting our national security in cyber as a Sr. Network Security Engineer... 
    Senior

    Arena Technical Resources, LLC (ATR)

    Falls Church, VA
    5 days ago
  • A leading security consultancy is seeking an experienced Information Systems Security Expert (ISSE) in Suitland, Maryland. The role involves performing technical security assessments, designing security architectures, and ensuring compliance with Information Assurance... 
    Senior

    Full Scope

    Suitland, MD
    4 days ago
  • A leading real estate analytics firm is looking for a Senior SaaS Security Engineer to build and operationalize their SaaS Security program. You will integrate various security functions, focusing on compliance and operational efficiency. This role requires deep expertise... 
    Senior

    CoStar Group, Inc.

    Arlington, VA
    2 days ago
  • As a Senior Security Engineer II for Identity and Access Management (IAM) at Aledade, you will play a central role in enhancing the security posture of our enterprise, cloud‑native environments, and applications. We are seeking a dedicated professional with in‑depth knowledge... 
    Senior
    Temporary work
    Remote work
    Flexible hours

    Aledade, Inc.

    Bethesda, MD
    17 hours ago
  •  ...provide an invaluable edge in real estate. Evolve our offensive security capabilities to test our internal and external facing...  ...efforts as both a player and a coach to other penetration testing engineers to cover penetration testing of all critical infrastructure (ie... 
    Senior
    Full time
    Work at office
    Work from home
    Monday to Thursday

    Visual Lease

    Arlington, VA
    3 days ago
  • A leading technology resource provider is looking for a Sr. Network Security Engineer to advance your career while impacting national security in cyberspace. In this hybrid role based in Alexandria, VA, you will lead the design and implementation of network access control... 
    Senior

    Arena Technical Resources, LLC (ATR)

    Alexandria, VA
    17 hours ago
  • Senior Security Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a... 
    Senior
    Full time

    CoStar Group, Inc.

    Arlington, VA
    17 hours ago
  • Senior SaaS Security Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is... 
    Senior
    Full time
    Work at office
    Work from home
    Monday to Thursday

    Visual Lease

    Arlington, VA
    4 days ago
  • A leading defense contractor is seeking a highly motivated Senior Information Assurance Security Engineer (IASE) to support enterprise IT efforts. This role requires significant experience in cybersecurity for air systems. Candidates will be responsible for ensuring compliance... 
    Senior
    For contractors

    Rollout Systems, LLC

    Arlington, VA
    16 hours ago
  • Overview Leidos has an exciting opportunity for a Cyber Security Analyst (Senior) in our Intel Sector's Analysis Solutions Business Area...  ...(ASBA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical... 
    Senior
    Work experience placement
    Immediate start
    Flexible hours

    Via Logic LLC

    Bethesda, MD
    17 hours ago
  • A leading real estate information provider in Arlington, VA is seeking an offensive security professional. The role involves leading purple team activities and mentoring team members. Applicants should have a bachelor's degree, 3+ years of experience in offensive security... 
    Senior

    CoStar

    Arlington, VA
    4 days ago
  • A high-tech IT solutions firm is seeking a Senior Database Administrator - Security to provide expert-level support for database security and compliance in mission-critical systems. The role requires five years of database security experience and a CISSP certification.... 
    Senior

    TekSynap

    Suitland, MD
    16 hours ago
  • Description As a Senior Information Security Systems Engineer (ISSE) you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership... 
    Senior

    Leidos

    Bethesda, MD
    5 days ago
  • A technology services company in Washington D.C. is seeking a Database Manager with at least five years of experience in database management. The successful candidate will provide technical expertise and guidance while designing and deploying database applications. This...
    Senior
    Remote job

    TekSynap

    Washington DC
    16 hours ago
  • $107.9k - $195.05k

     ...cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind...  ...mission-critical systems that keep our nation secure. Ready to engineer solutions that matter? Primary Responsibilities The Digital... 
    Senior
    Local area
    Immediate start
    Remote work

    COMFORT SYSTEMS

    Alexandria, VA
    4 days ago
  • Information Systems Security Engineer (ISSE) – Sr Position Description CGI Federal is currently looking for a Senior Level Information Systems Security Engineer with active Top Secret clearance to support a large project for a federal government client. The Sr. Level... 
    Senior
    Local area
    Washington DC
    more than 2 months ago
  • A health technology company in Bethesda, MD, is looking for a Senior Security Engineer II specialized in Identity and Access Management (IAM). You will enhance the company’s security posture by designing and maintaining IAM solutions, collaborating across teams to align... 
    Senior
    Remote work
    Flexible hours

    Aledade, Inc.

    Bethesda, MD
    17 hours ago
  • $150k - $175k

    A cybersecurity firm is seeking a Senior Cloud Cyber Security Engineer to support cloud-based services and compliance with DOS policies. The role requires at least 10 years of experience in cybersecurity and technical engineering services, along with a Bachelor Degree in... 
    Senior

    Goldbelt, Inc.

    Arlington, VA
    3 days ago
  • $168k - $230k

     ...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. SECURITY SOFTWARE ENGINEER (STARLINK) At SpaceX we’re leveraging our experience in building rockets and spacecraft to deploy Starlink, the world... 
    Senior
    Permanent employment
    Full time
    Temporary work
    Work at office
    Worldwide
    Monday to Friday
    Flexible hours
    Weekend work

    Spacex

    Washington DC
    3 hours ago
  •  ...cybersecurity firm based in Arlington, VA, is seeking an Offensive Cyber Engineer to analyze vulnerabilities in embedded systems and firmware....  ...and opportunities for professional growth in a dynamic team focused on national security solutions. #J-18808-Ljbffr REDLattice Inc.
    Senior

    REDLattice Inc.

    Arlington, VA
    3 days ago
  •  ...McLean, Virginia is seeking an experienced Enterprise Endpoint Cybersecurity Engineer. The role involves shaping the organization's device cybersecurity strategies, managing a range of security solutions, and ensuring compliance with established security standards.... 
    Senior
    Flexible hours

    Phase2 Technology

    Mc Lean, VA
    5 days ago
  • $150k - $195k

    North Courthouse Road - 1515 North Courthouse Road Arlington, Virginia 22201 United States As a Senior Cloud Network Security Engineer, you will be a part of a smart cross-functional team delivering digital business transformation solutions to our clients. You’ll have the... 
    Senior

    Publicis Sapient

    Arlington, VA
    4 days ago
  • A technology services provider is seeking a Senior Network Security Engineer to lead the secure design and implementation of network architectures. The role requires extensive experience in network security engineering, with a focus on Software Defined Networking (SDN)... 
    Senior
    Full time

    Peraton

    College Park, MD
    5 days ago