3,010 Results for

Network Security Jobs in Oakton, VA

Jobs

Alexandria, VA7 days ago

$230,000–$270,000 Per Year

The ideal candidate will bring deep hands-on experience designing, securing, optimizing, and troubleshooting complex network environments while also serving as a technical leader and trusted advisor to government stakeholders. The Senior Network Engineer / Security SME will provide expert-level network engineering, security architecture, and operational support across enterprise and tactical networks.

Reston, VA29 days ago

Full-time
Employee

Provide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, operating systems programming, system security policy procedures, and/or web strategy and operations. Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including, hardware, software, budgetary, and support facilities and/or equipment.

New!

Washington, DC6 days ago

$190,000–$235,000 Per Year

A mission-focused engineering organization supporting classified U.S. Government programs is seeking an experienced Data Center Operations & Security Lead to oversee secure infrastructure environments within a high-availability facility. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Washington, DC7 days ago

Description:RDTS is seeking a skilled AWS Security Engineer to design, implement, and maintain secure cloud architectures within AWS. This role is responsible for strengthening cloud security posture, implementing preventative and detective controls, and ensuring compliance with organizational and regulatory requirements.

Manassas, VA29 days ago

Full-time
Employee

Employment Type: Contract-to-HireJob SummaryWe are seeking an experienced Senior OT Network Architect to lead the design, implementation, and modernization of Operational Technology (OT) network infrastructure in a mission-critical industrial environment. Develop network segmentation strategies using ISA/IEC 62443 zones and conduits models.

Herndon, VA12 days ago

Work with the customer’s security & network teams to build confidence across the business units impacted by the change to Palo Alto Networks. Minimum 5 years’ experience with network/security solutions and technologies (BGP, SD-WAN, VXLAN, routing and switching).

New!

Alexandria, VA2 days ago

$180,000–$210,000 Per Hour

Provide executive-level government agency support related to designing, deploying, and ensuring efficient and optimal operation of business-critical enterprise and network environments. Translate stakeholder and Government requirements into network solutions, modifications, and support upgrades (network reconfiguration, hardware and software acquisitions, installation, and testing).

Camp Springs, MD9 days ago

$107,900–$195,050

The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

Springfield, VA12 days ago

$95,000–$95,000 Per Year

Knowledge and experience with routing and switching protocols (e.g., OSPF, EIGRP, BGP, Spanning Tree Protocol, ISAKMP, ESP, SIP, SCCP) . System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Arlington, VA9 days ago

$59,150–$106,925

Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field. A Network Development Engineer (NDE) designs, builds, and automates large-scale data networks, focusing on scalability, reliability, and performance.

Alexandria, VA7 days ago

$170,000–$240,000 Per Year

The Senior Network Engineer, Wireless SME provides expert-level engineering, architecture, and operational support across enterprise and tactical networks, with specialized responsibility for secure, enterprise-grade wireless infrastructure. Deep expertise with enterprise wireless networking, RF design, wireless LAN controllers, access point deployments, and Wi-Fi troubleshooting.

Vienna, VA8 days ago

$120,640–$197,600 Per Year

Youll work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

Springfield, VA12 days ago

$135,000–$135,000 Per Hour

The ideal candidate will have hands on experience in incident response, CSOC or SOC operations, digital forensics, malware analysis, indicator development, and cyber incident reporting within a DoD, Intelligence Community, or federal cyber environment. • Experience supporting cyber incident response, CIRT, CSOC, SOC, DFIR, threat hunting, or defensive cyber operations.

Vienna, VA12 days ago

Provide technical guidance and collaboration with other Cyber Security Engineers supporting technologies within designated area of focus (Data Scanning). Establish and maintain supporting documentation (architecture/data flow diagrams, runbooks, ServiceNow tickets, user stories and tasks).

New!

Falls Church, VA5 days ago

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

McLean, VA16 days ago

We’re looking for a Computer Security Systems Specialist to design, document, and implement cybersecurity controls for Army enterprise networks. You’ll ensure systems are engineered and configured to meet DoD, Army, and DISA security requirements, and you’ll support fielded systems through assessment, approval, and operational deployment.

New!

Washington, DC5 days ago

$92,300–$166,850

The Network Storage Engineer - Senior provides senior-level administration and engineering support for SAN fabric infrastructure and core network connectivity supporting the SEC ISS environment. Technical Skills: - Staffing-matrix minimum technical prerequisites: Cisco MDS and Cisco Nexus administration; SAN fabric configuration, deployment, and maintenance; SAN connectivity and performance troubleshooting.

New!

Washington, DCToday

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

New!

Manassas, VA6 days ago

$80,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

Washington DC, DC7 days ago

New!

Columbia, MD6 days ago

Remote

$87,000–$115,666.67 Per Year

You will be partnering with Commercial Territory Managers and a strong team of peers to differentiate the Tenable solutions from our competitors, create lasting customers by positioning unique business values they are looking for and most importantly, create raving fans of Tenable throughout your area of influence. Strong communication skills with the ability to tailor and deliver impactful presentations to diverse audiences, including engineers, security professionals, and executive stakeholders.

New!

Reston, VA1 day ago

Advanced routing and traffic engineering (BGP, OSPF/ISIS), path control, and convergence considerations SDWAN and secure connectivity patterns (SASE/SSE where applicable), including segmentation and policy design, QoS design (marking, queuing and shaping), performance engineering (latency/jitter/loss), and capacity planning. • Recommend optimized WAN solutions to Chief Engineer in support of current and long-range planning; collaborate with technical leads to select, recommend, and obtain approvals for tools and technologies that improve efficiency, reduce cost, and increase customer satisfaction.

Columbia, MD8 days ago

Remote

$122,500–$163,166.67 Per Year

Deep expertise in at least one relevant security domain (e.g., Application Security, Vulnerability Management, Cloud Security, Container Security, Threat Intelligence, Software Supply Chain, Network Security, Cryptography), combined with broad general knowledge across security and engineering. This team serves as the critical bridge between our Research organization and Product teams, driving technology transfer and productization of cutting-edge security innovations.

Reston, VA13 days ago

$96.21–$99 Per Hour

Mentor junior and senior team members, install, tune, upgrade, troubleshoot, and maintain all relevant computer systems including OS administration, user management, and networking. Implement risk and opportunity management plans, assess risks, develop mitigation and disaster recovery plans, and oversee engineering project planning and execution.

Vienna, VA8 days ago

$156,000–$239,200 Per Year

Deploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.

Vienna, VA8 days ago

$120,640–$197,600 Per Year

Deploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.

New!

Alexandria, VAToday

$160,000–$175,000 Per Year

We are seeking a Senior Telecommunications Design Engineer to support a secure federal communications environment responsible for maintaining and modernizing mission critical telecommunications and data center infrastructure. The engineer will develop engineering documentation and infrastructure designs supporting secure voice, data, and communications systems within a high availability environment.

Reston, VA16 days ago

$119,800–$234,700 Per Year

Masters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.

Fort Belvoir, VA28 days ago

$106,681–$246,980
Full-time
Employee

Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Ashburn, VA16 days ago

$70,000–$90,000 Per Year

PlatformDIGITAL®, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx®) solution methodology for powering innovation and efficiently managing Data Gravity challenges. This role sits primarily at Level 2 (L2) support and works closely with Level 1 and Level 3 teams to ensure reliable, secure, and efficient IT services for end users and data center operations.

Quantico, VA13 days ago

Remote

This position requires at least 8+ years’ experience supporting networking for DoD Command and Control Systems such as Multisource Correlator Tracker (MSCT), Common Aviation Command and Control System (CAC2S), Air Defense System Integrator (ADSI), or Theater Battle Management Core System (TBMCS). Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.

Arlington, VA9 days ago

$92,300–$166,850

As part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model. Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers.

New!

Trade, VA1 day ago

AWS Data Centers have multiple components such as generators, uninterruptable power sources, diesel generators, electrical switchgear, power distribution units, variable frequency drives, automatic/static transfer switches, chillers [air-cooled and water-cooled], pumps, cooling towers, heat exchangers, CRAHs, air economizers, etc. - Frequently visit (locally) assigned in-operation data centers to troubleshoot, meet customers, supervise vendor’s work to ensure compliance with the scope, design, SOO and applicable local codes.

Fort Belvoir, VA28 days ago

$102,160–$220,238
Full-time
Employee

Excellent analytical, technical, communication, planning, presentation, and organizational skills with the ability to articulate new ideas and concepts to technical and nontechnical audiences, internal teams, senior leaders, vendors, partners, customers, and stakeholders. Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs.

Fort Belvoir, VA28 days ago

$118,590–$169,413
Full-time
Employee

Must meet the minimum credential requirements for the DoD 8140 Cyber Workforce work role Network Operations Specialist (441) at the advanced level:FIMXE: I need an expert to look at this list and figure out what IAT-III minimums are . Will collect, collate, analyze, and document the technical and supporting information required to: establish the existing conditions; determine areas that require upgrades to meet the requirements as defined by the program; and develop an engineering and implementation solution.

Springfield, VA28 days ago

$58,000–$125,000
Full-time
Employee

NW Communications 4: 9+ years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. NW Communications 3: 5+ years of experience and a Bachelor's Degree, or 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

Fort Belvoir, VA28 days ago

$73,193–$189,985
Full-time
Employee

As a Cyber Network Analyst, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

New!

Arlington, VA1 day ago

$100,000–$140,000 Per Year
Contractor
Employee

Provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.

Fairfax, VA28 days ago

$128,887–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

Fairfax, VA28 days ago

$153,605–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.

Fairfax, VA28 days ago

$104,336–$149,052
Full-time
Employee

HII - Mission Technologies is currently seeking Intermediate-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. "• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

Fairfax, VA28 days ago

$149,168–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking Senior-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Designs and implements automated cloud architectures using Terraform, Ansible, and CloudFormation to support system administration, release management, cybersecurity controls, and continuous integration pipelines across multiple operational enclaves.

Sterling, VA13 days ago

$100,000–$140,000 Per Year
Employee

Requirements: - 3+ years of network administration experience in Cisco environments, experience with Cisco and Juniper technologies, and exposure to data center or building automation systems. This individual will be responsible for managing network hardware, troubleshooting complex issues, implementing security protocols and leading network improvement initiatives.

Springfield, VA23 days ago

$102,831–$150,000
Full-time
Employee

Engineer Info Assurance 3: 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Engineer Info Assurance 2: 2 years relevant experience with Bachelors in related field; 0 years experience with Masters in related field; or High School Diploma or equivalent and 6 years relevant experience.

Fairfax, VA28 days ago

$115,199–$164,570
Full-time
Employee

HII - Mission Technologies is currently seeking an Intermediate-level Cloud Security Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Conducts patch management operations across Advana cloud enclaves by operating vulnerability scanning workflows, identifying required updates, tracking patch applicability, and automating deployment actions aligned with Department of Defense patching directives supporting Joint Staff elements and mission-owner communities.

Quantico, VA28 days ago

$94,352–$130,000
Full-time
Employee

Assist the Mission Coordinator in working with the Marine Enterprise Training Network (MTEN) and Navy Continuous Training Environment (NCTE) local and remote operators and engineers, and external Joint Live Virtual Constructive (JLVC) teams to coordinate and plan systems and personnel support for events. The C2 Systems Integrator works onsite at the Marine Corps Base Quantico, Virginia supporting Naval Surface Warfare Center- Corona (NSWC-Corona) in providing LVC training for US Marin Corps and reports directly to the LVC Mission Coordinator.

Suitland, MD28 days ago

$53,937–$114,395
Full-time
Employee

Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Washington, DC28 days ago

$53,937–$114,395
Full-time
Employee

The CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Washington, DC14 days ago

$58–$62 Per Hour
Contractor

While an hourly range is posted for this position, an eventual hourly rate is determined by a comprehensive salary analysis which considers multiple factors including but not limited to: job-related knowledge, skills and qualifications, education and experience as compared to others in the organization doing substantially similar work, if applicable, and market and business considerations. This role architects, implements, and sustains highly available storage platforms supporting mission-critical SEC workloads across primary, alternate, and regional environments.

Arlington, Virginia30+ days ago

$140,000–$165,000 Per Year

Design and engineer network data flow to implement and improve new connections; or troubleshooting existing communications.•Produce documentation such as data flows, data dictionaries, user guides, or operating procedures, user guides, operating procedures, systems design document, disaster recovery documentation, etc. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Network Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Network Security Jobs in Oakton, VA

Senior Network Engineer (CCIE) – Security System One

Network Engineer II Company Confidential

Data Center Operations & Security Lead (TS/SCI w/ Poly) Jobot

AWS Cloud Security Engineer - Cleared RightDirection Technology Solutions

Senior OT Network Architect Census InfoTech Inc

Network Engineer System One

Senior Network Engineer CCNP System One

Senior Network Engineer Leidos

Network Engineer (TS/SCI) System One

Network Development Engineer Leidos

Senior Network Engineer (CCIE) – Wireless SME System One

System Engineer - Cyber Security Engineering Focus Esri

Cyber Security Engineer III System One

Data Security Engineer System One

Sr Cloud Security Engineer PlanIT Group

Computer Security Systems Specialist By Light Professional IT Services

Network Storage Engineer - Senior Leidos

Sr. Cloud Security Specialist (AWS) System One

Entry Level Software Integrator | Clearance | Linux/Windows Jobot

Hybrid Cloud Engineer ECLARO

Pre-Sales Engineer - Remote Tenable Network Security

Enterprise Architect PlanIT Group

Senior Research Engineer, Systems Engineering Team Tenable Network Security

Lead Systems Engineer - AWS Cloud System One

Sr. System Engineer - ArcGIS Esri

System Engineer - ArcGIS Esri

Telecommunications Design Engineer System One

Site Reliability Engineer - CTJ - POLY Microsoft

Computer/Network Security Systems Specialist (Lead) Company Confidential

Engineer IT-Support Digital Realty Trust

Senior System Engineer ARCTICOM LLC

Firewall Engineer Leidos

Data Center Controls Engineer Amazon Data Services, Inc.

Network Engineer Company Confidential

Network Engineer Lead - 28540 Company Confidential

Network Communications MAJESTIC 25758 Company Confidential

Cyber Network Analysis Tech, Majestic Company Confidential

Network Based Systems Analyst - III Base One Technology

Information System Security Officer (Engineer Info Assurance 4) Company Confidential

Information Systems Security Manager ISSM (Engineer Info Assurance 5) Company Confidential

IaC Engineer (Computer Sys Security Anlyst 3) Company Confidential

Senior IaC Engineer (Computer Sys Security Anlyst 5) Company Confidential

Network Manager Company Confidential

Security Control Assessor (SCA) Company Confidential

Cloud Security Engineer (Cloud Engineer 3) Company Confidential

C2 - Integrator (Network Communications 3) Company Confidential

Cognizant/Alternate Cognizant Security Officer Company Confidential

Contract Program Security Officer Company Confidential

Storage Engineer The Computer Merchant, Ltd

Network Security Engineer (Zscaler) UltraViolet Cyber

Resume Resources