7,373 Results for

Security Engineer Jobs in Herndon, VA

Jobs

Marine Electronics Engineer (Systems Integration) Team Lead THOR Solutions, LLC

Washington, DC

$110,000–$160,000 / year

Founded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide. THOR Solutions is actively seeking a highly motivated Senior-level Marine Electronics Engineer (Systems Integration) to act as electronics team lead and support the United States Coast Guard (USCG)’s Ship Design Team in Washington, DC .

30+ days ago

Network Engineer Grvty

Chantilly, Virginia

$150,000–$250,000 / year

The ideal Network Engineer will have subject matter expertise in technical risk analysis of IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting or programming products, configuration scripts, and IT hardware and software products in support of Sponsor's risk assessment activities. The qualified and successfully hired Network Engineer will be responsible for: Managing security and performance of virtual desktop infrastructure (VDI), to include networking components, administering firewall policies, VPNs, network segmentation, and endpoint policy enforcement.

13 days ago

Corporate Enterprise Network (WAN): Network Engineer - Senior TekSynap

Fort Belvoir, Virginia

$75,000–$125,000 / year
Full time

Pre-approved alternate work locations include the following DLA locations and surrounding commuting zones: DLA Disposition Services, Battle Creek, MI 49037; DLA Defense Supply Center, Columbus, OH 43213; DLA Dayton, WPAFB, Dayton OH 45433; DLA Distribution, New Cumberland, PA 17070; DLA Ogden Defense Depot, Ogden, UT 84404; DLA Troop Support, Philadelphia, PA 19111; DLA Aviation, Richmond, VA 23297; DLA Distribution, Anniston, AL 36201; DLA Distribution, San Diego, CA 92136; DLA Disposition Services, Fort Bragg, NC 28307; DLA Disposition Services, Robins AFB, GA 31098; DLA Disposition Services, Tobyhanna, PA 18466. Five (5) years of progressive Information Technology (IT) experience including at least two projects in the following technical areas: Network Management (Local Area Network (LAN)/ Wide Area Network (WAN)) - Updated/changed configuration files, provided support doing refresh of hardware and firmware, researched and applied compliance requirements (Patch Management).

7 days ago

Network Engineer & Information Systems Supervisor (Secret Clearance #26-159) Strategic Analysis, Inc.

Arlington, VA

$120,000–$140,000 / year

Azure AD/Entra ID identity services, including MFA, Conditional Access, SSO, and Azure AD Connect.·Configure and maintain Intune/Endpoint Manager for device compliance, configuration profiles, and Autopilot deployments.·Implement and maintain network and cloud security policies, including firewall rules, DLP, Defender for Office 365, and Zero Trust principles.·Monitor network and system performance using tools such as, PRTG, or; respond to alerts and outages.·Perform root_cause analysis and resolve escalated technical issues across both cloud and on_prem environments.·Support disaster recovery planning, backups, and failover testing.·Maintain accurate documentation including network diagrams, configuration records, and SOPs.·Participate in infrastructure upgrades, cloud migrations, and modernization initiatives.·Collaborate with IT team members to support end users and escalate issues when necessary. SupervisionSupervisor to Information Security Analyst and Help Desk SupportConducts performance reviews, addresses any performance issues, conducts career path reviews, and identifies opportunities for a spot awardRecommends employees for promotions and salary changesLeads the day-to-day execution of the Help Desk functionsIn charge of scheduling for Help Desk employees and downtimes for upgrades/patches/etc.)Address employee concerns with the SA Help DeskIn charge of desktop proceduresRecommends new technology, policies and processes, configurations to maximize operational performance, resilience, security and resource efficiency.

2 days ago

Cybersecurity Implementation Engineer Abile Group, Inc.

Springfield, Virginia

With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities. Abile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005.

30+ days ago

Sr. Application Security Engineer Job | Esri Career Opportunity Environmental Systems Research Institute Inc

Vienna, VA

$93,600–$157,560 / year

5+ years of experience in application security, including manual and automated code reviews, manual penetration testing, dynamic application security testing, and false positive analysis of code, pen test, and open-source security findings. Our Application Security team collaborates closely with the application development, DevSecOps, and information security departments to design security into our applications up front, perform application layer security testing, and assist developers with vulnerability remediation.

30+ days ago

Information Systems Security Officer (ISSO) Maxar Technologies Inc (Inactive)

Herndon, VA

$154,000–$169,400 / year

This position will work closely with Government stakeholders, the Information Systems Security Manager (ISSM), security engineers, system owners, developers, DevSecOps personnel, data engineers, and mission users to implement security controls, manage risk, and ensure systems remain compliant with applicable security requirements. Vantor is seeking an Information Systems Security Officer (ISSO) to support secure, compliant, and mission-focused systems serving Object-Based Intelligence (OBI) requirements, enterprise ontologies, knowledge graphs, semantic data integration, and advanced analytics.

13 days ago

Network Engineer III Rubicon Grp, LLC

Alexandria, VA

Experience in reviewing mission related change requirements such as Requests for Change (RFCs) and approved Change Requests (CRQs) and determining impacts on transport activities across the enterprise while providing technical solutions and cost impacts. Elicit requirements using interviews, document analysis, surveys, site visits, scenarios, business analysis and test/workflow analysis.

24 days ago

Network Engineer Que Technology Group

Columbia, Maryland

Que Technology Group is seeking an experienced Network Engineer to join a collaborative team supporting the networking environments of two unique operational customers. The ideal candidate has strong experience configuring and sustaining Cisco and Arista networking environments and is comfortable supporting firewalls, cryptographic equipment, and operational systems.

8 days ago

Network Engineer SME (TS/SCI with Poly Required) GCI, Inc.

The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. Provides technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, switches, firewalls, bridges, gateways, etc.

30+ days ago

Junior Network Engineer Ang Signal

Washington, District of Columbia

The ideal candidate will provide network engineering and support of the enterprise network to support the mission of our federal client, and will have hands-on experience with cloud migrations, network security, and cyber security. Install, wire, and test networking equipment in data centers and telecom closets following detailed engineering diagrams.

30+ days ago

Senior Network Engineer Ang Signal

Washington, District of Columbia

Key Responsibilities Work with a team of network experts to support a service provider scale network that connects multiple high-performance computing sites and data centers, and provides network services to over 30,000 users nationwide. In this role, the candidate will be responsible for supporting the federal agency's network infrastructure and services, day-to-day operations, as well as providing technical leadership on a variety of network projects.

30+ days ago

IT Engineer (Network Infrastructure) -Vienna, VA, Winchester, VA or Pensacola, FL Georgia Tek Systems

Vienna, VA

Ability and willingness to grow skillset for SD-WAN and related technologies such as Cloud Interconnect and Cloud Security services for deployment and traffic flow engineering. ·Maximizes network performance, troubleshoots network problems and outages, scheduling upgrades and collaborating with network architects on network optimization.

11 days ago

Network Engineer Ang Signal

Washington, District of Columbia

The ideal candidate will provide network engineering and support of the enterprise network to support the mission of our federal client, and will have hands-on experience with cloud migrations, network security, and cyber security. Configure, tune, and manage dynamic routing protocols (specifically BGP and OSPF) to ensure high availability and optimal traffic flow.

30+ days ago

Information Systems Security Engineer (ISSE) - Cyber Security Engineer (TS/SCI) KaylaTek

Arlington, VA

Full time
Quick Apply

Expertise in the process of obtaining HBSS and ACAS kickstart ISOs from DISA.Extensive knowledge of building virtual servers, deploying, and patching all McAfee modules via the ePO, configuring McAfee policies for each environmentSTIGing HBSS Windows OS, McAfee policies to comply with benchmarks (Not reviewing or confirming), STIGing ACAS RHEL Ability to Run SCAP scans on Windows and RHEL Displays knowledge of updating RedHat 9 and 8 rpms as they are releasedSetup RedHat yum local rpm repositories to patch offline ACAS servers. Effective communication and presentation skills (i.e., ability to present ideas effectively in formal and informal situations in group and individual settings).Strong planning,organizational, and time management skills (i.e., ability to effectively plan, organize, and prioritize work, and to control and follow up to ensure work completion).Demonstrated initiative (i.e. initiate appropriate action without being directed) and ability to work independentlyMUST BE A US CITIZENThe above statements are intended to describe the general nature and level of work being performed.

14 days ago

Network Engineer Orbis Sibro, Inc.

arlington, VA

Continuous improvement of relevant systems, applications, infrastructure, and processes is a core responsibility, requiring the engineer to maintain a current understanding of emerging technologies and trends in cloud services, online media, storage solutions, and other data center technologies, with a focus on how these trends impact network architecture and security, particularly within SDN environments. Experience with TACLANEs, SolarWinds, IPAM, Kiwi Syslog Server, DHCP, ISE, ACI, NSX, TACACS, RADIUS, MAB, 802.1x, Event Manager Applet, Macro Creation, TFTP, SFTP, Splunk, Microsoft Visio, and Cisco Firewall Management Center.

30+ days ago

Staff Cyber Network Engineer Northrop Grumman Corp

Chantilly, VA

$161,000–$241,400 / year

We strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. The successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work they perform.

30+ days ago

Telecommunications Network Engineer Basic TekSynap Corp

Fort Belvoir, VA

$60,000–$110,000 / year

Pre-approved alternate work locations include the following DLA locations and surrounding commuting zones: DLA Disposition Services, Battle Creek, MI 49037; DLA Defense Supply Center, Columbus, OH 43213; DLA Dayton, WPAFB, Dayton OH 45433; DLA Distribution, New Cumberland, PA 17070; DLA Ogden Defense Depot, Ogden, UT 84404; DLA Troop Support, Philadelphia, PA 19111; DLA Aviation, Richmond, VA 23297; DLA Distribution, Anniston, AL 36201; DLA Distribution, San Diego, CA 92136; DLA Disposition Services, Fort Bragg, NC 28307; DLA Disposition Services, Robins AFB, GA 31098; DLA Disposition Services, Tobyhanna, PA 18466. Experience in analysis and design of voice networks, LAN and WAN data networks, wireless networks, and/or network management systems to support voice and data services.

6 days ago

101731 Senior Network Engineer - Fairfax, VA ManpowerGroup Public Sector

Fairfax, Virginia

Join a high-performing senior-level networks team tasked with architecting, designing, implementing, and maintaining a large-scale, mission-essential multi-agency network infrastructure. You’ll play a key role in shaping and sustaining secure, scalable, and resilient networking environments across data centers, transport layers, and rack-level infrastructure.

30+ days ago

Senior Network Engineer Dutch Ridge Consulting Group

Merrifield, VA

Full time
Quick Apply

Provide engineering and operational support for cloud providers, including AWS and Azure, on-premise data centers, campus networks, Dynamic Multipoint Virtual Private Networks (DMVPN), Firewall, Layer 2/3, wireless networks, network applications installed on client workstations, optimization of various LAN and WAN environments, data center load balancing, and network access security to include 802.1x and Cisco ISE.Requirements:Active/current Secret Clearance is required at the time of hire.7+ years of relevant experienceBachelors degree in a related field or relevant work experienceExperience designing and supporting network access security solutionsExpert knowledge of Layer 2 / Layer 3 networking including routing, switching, and troubleshooting at scaleStrong experience with LAN, WAN, and global network optimizationUnderstand Dynamic Multipoint VPN (DMVPN) environmentsStrong expertise with 802.1X authenticationHands-on experience with Cisco Identity Services Engine (ISE) Experience providing engineering and operational support for cloud networking in Amazon Web Services and Microsoft AzureStrong understanding of VMWare environmentsExperience providing design, implementation, and deployment of network-specific technologiesAbility to operate effectively in high-pressure, mission-critical environmentsStrong troubleshooting methodology and root-cause analysis skillsExperience supporting strict change management and approval processesExcellent written and verbal communication skillsStrong documentation discipline and operational rigorCCIE or CCNP certification is preferred. Job Location: Hybrid Opportunity with onsite location at Merrifield, VA (3-days on-site weekly requirement)Responsibilities:The Senior Network Engineer will:Provide support to classified and unclassified Tier 3 senior-level support for the design, implementation, and deployment of network-specific technologies across the DEA Enterprise environment, consisting of hundreds of locations worldwide.

30+ days ago

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Security Engineer Jobs in Herndon, VA

Marine Electronics Engineer (Systems Integration) Team Lead THOR Solutions, LLC

Network Engineer Grvty

Corporate Enterprise Network (WAN): Network Engineer - Senior TekSynap

Network Engineer & Information Systems Supervisor (Secret Clearance #26-159) Strategic Analysis, Inc.

Cybersecurity Implementation Engineer Abile Group, Inc.

Sr. Application Security Engineer Job | Esri Career Opportunity Environmental Systems Research Institute Inc

Information Systems Security Officer (ISSO) Maxar Technologies Inc (Inactive)

Network Engineer III Rubicon Grp, LLC

Network Engineer Que Technology Group

Network Engineer SME (TS/SCI with Poly Required) GCI, Inc.

Junior Network Engineer Ang Signal

Senior Network Engineer Ang Signal

IT Engineer (Network Infrastructure) -Vienna, VA, Winchester, VA or Pensacola, FL Georgia Tek Systems

Network Engineer Ang Signal

Information Systems Security Engineer (ISSE) - Cyber Security Engineer (TS/SCI) KaylaTek

Network Engineer Orbis Sibro, Inc.

Staff Cyber Network Engineer Northrop Grumman Corp

Telecommunications Network Engineer Basic TekSynap Corp

101731 Senior Network Engineer - Fairfax, VA ManpowerGroup Public Sector

Senior Network Engineer Dutch Ridge Consulting Group

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