3,236 Results for

Network Security Jobs in Oakton, VA

Jobs

New!

Alexandria, VA6 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, VA28 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, DC5 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.

Manassas, VA28 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.

New!

Washington, DC6 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.

Herndon, VA11 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, VA1 day 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, MD8 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.

Fairfax, VA13 days ago

Requirements Possession of an associate's degree in computer science, electrical engineering, electronics, or a related field; plus four years' network and/or telecommunications experience; or a bachelor's degree in such fields; plus two years' experience in network or telecommunications system design, analysis, installation, and troubleshooting. Diagnose and resolve complex network issues related to routers, switches, firewalls, load balancers, WAN accelerators, wireless devices, and other network devices.

Springfield, VA11 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.

New!

Alexandria, VA6 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.

New!

Arlington, VA2 days ago

$161,900–$199,260

Provides engineering and operational support for cloud providers to include AWS and Azure, on-premise datacenters, campus networks, Dynamic Multipoint Virtual Private Networks (DMVPN), Layer 2/3, wireless networks, network applications installed on client workstations, optimization of various LAN and WAN environments, datacenter load balancing, network access security to include 802.1x and Cisco ISE. Overview: GovCIO is currently hiring for a SME Network Engineer with an active Secret clearance to provide classified and unclassified Tier 3 senior-level support for the design, implementation, and deployment of network-specific technologies across a government Enterprise environment consisting of hundreds of locations worldwide.

Arlington, VA8 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.

Vienna, VA11 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).

Springfield, VA11 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.

New!

Washington, DC4 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!

Falls Church, VA4 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.

New!

Bethesda, MD2 days ago

$149,027–$149,027

Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center, and Wireless OR Experience required is 8‐plus years in Network Services and a bachelor’s degree in Computer Science, Information Systems, Engineering or other related discipline. The Network Architecture Section responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives.

New!

Rockville, MDToday

Job Description: Summary: The CIOCC Tier 1 Analyst shall be responsible for the following, but not limited to: Analyze and respond to security events and incidents from SIEM, Firewall (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Endpoint Security Solutions, Network Access Control (NAC) and other client data sources. • 1-3 years of security operations center environment experience or recent college graduate with industry certifications.

Washington, DC13 days ago

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.

Washington, DC13 days ago

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, VA2 days ago

$19.75–$19.75

With over 640 local branch managers and approximately 86,000 security officers, Securitas provide specialized guarding, mobile guarding, remote guarding, and corporate risk management to thousands of businesses. Why This Role Is Great for Recent Graduates & Career Starters: Whether you have just finished high school or you’re looking for a fresh start in a new field, this role gives you: Weekly Pay – Get paid every week.

New!

Manassas, VA5 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.

New!

Chantilly, VA1 day ago

This position will be responsible for the installation of complex integrated security systems to include the wiring, equipment and programming of access control systems, CCTV, digital recorders, network recorders, and intercom systems for clients. Additional experience a plus: MCSE, CCNA, Surveillance Systems, Intrusion Detection Systems, Perimeter Intrusion Detection Systems and Security Gate Operators.

New!

Gaithersburg, MD5 days ago

$140,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

New!

Washington, DC5 days ago

$140,000–$190,000 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. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.

New!

Fort Belvoir, VA4 days ago

$92,300–$166,850

The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations  . Experience in network and network security design where under general direction, manages the design, installation and support of LAN/WAN based networks and security components such as routers, switches and firewalls, and datacenter equipment .

New!

Silver Spring, MD2 days ago

AttainX Inc. is SBA Certified 8(a), Women Owned Small Business (WOSB), Economically Disadvantaged WOSB (EDWOSB), CMMI Level 3, ISO 9001:2015 certified QMS, and a Gold Level SAFe Partner. Position Overview AttainX, Inc. is seeking an experienced and highly motivated Cybersecurity / Assessment and Authorization (A&A) Team Lead to support a federal cybersecurity program.

New!

Gainesville, VA2 days ago

$19.75–$19.75

About Securitas USA: With over 640 local branch managers and approximately 86,000 security officers, Securitas provides unmatched security solutions to meet the specific needs of thousands of businesses. Our service offerings include specialized guarding, mobile guarding, remote guarding, and corporate risk management.

New!

Alexandria, VA2 days 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.

New!

Washington DC, DC6 days ago

Cloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization. Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.

New!

Reston, VAToday

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.

New!

Washington, DCToday

The selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities:Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.

Reston, VA12 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.

Alexandria, VA14 days ago

$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.

Washington, DC11 days ago

$115,000–$130,000 Per Year

System One IT has a direct hire opening for a Senior Systems and Azure Cloud Engineer to be responsible for the design, implementation, maintenance, and optimization of the organization’s IT infrastructure, including servers, storage, networking, virtualization platforms, and cloud services. Background/Skills/Abilities Preferred:Bachelor’s degree in Information Technology, Computer Science, Engineering, or related field preferred; equivalent experience and relevant certifications will be considered instead of a degree.

Fort Belvoir, VA27 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.

Washington, DC8 days ago

$107,900–$195,050

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. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.

Fort Belvoir, VA8 days ago

$131,300–$237,350

Cross-Functional Leadership: Lead the AIOps platform initiative by acting as the primary technical liaison to existing Network Engineering, ServiceNow, and SolarWinds administration teams to establish unified telemetry pipelines. 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.

Arlington, VA8 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!

Bethesda, MD2 days ago

$149,027–$149,027

Qualifications: Experience required is 8‐plus years in Network Services and a bachelor’s degree in Computer Science, Information Systems, Engineering or other related discipline OR Bachelor’s Degree in Computer Science, Information Systems, Engineering or other related discipline and have at least one of the Cisco CCIE certifications, both written and practical. The Network Architecture Section responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives.

Fort Belvoir, VA27 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.

Fort Belvoir, VA27 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.

Springfield, VA27 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, VA27 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.

Fairfax, VA27 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, VA27 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, VA27 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, VA27 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, VA12 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.

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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

Senior OT Network Architect Census InfoTech Inc

AWS Cloud Security Engineer - Cleared RightDirection Technology Solutions

Network Engineer System One

Senior Network Engineer CCNP System One

Senior Network Engineer Leidos

NOC Network Engineer System One

Network Engineer (TS/SCI) System One

Senior Network Engineer (CCIE) – Wireless SME System One

SME Network Engineer Govcio LLC

Network Development Engineer Leidos

Data Security Engineer System One

Cyber Security Engineer III System One

Network Storage Engineer - Senior Leidos

Sr Cloud Security Engineer PlanIT Group

Systems Engineer 3/Senior Network Architect Govcio LLC

Information Security/Privacy Analyst I PlanIT Group

Sr. Cloud Security Specialist (AWS) System One

Senior Cloud Security Specialist (API) - onsite System One

Security Officer - Entry Level Securitas

Entry Level Software Integrator | Clearance | Linux/Windows Jobot

Security Alarm Installer Johnson Controls

Sr. Software Engineer Jobot

RCDD Technology Engineer Jobot

Senior Communications Security (COMSEC) Engineer Leidos

Cyber & A&A Security Lead - Level IV Attainx Inc.

Data Center Security Officer Securitas

Data Center Controls Engineer Amazon Data Services, Inc.

Hybrid Cloud Engineer ECLARO

Enterprise Architect PlanIT Group

IT - Systems Engineer II PlanIT Group

Lead Systems Engineer - AWS Cloud System One

Telecommunications Design Engineer System One

Sr. MS Systems and Azure Cloud Engineer (hybrid) System One

Computer/Network Security Systems Specialist (Lead) Company Confidential

Systems Engineer Leidos

Senior AI Ops Engineer Leidos

Firewall Engineer Leidos

Systems Engineer 3/Systems Architect Govcio LLC

Network Engineer Lead - 28540 Company Confidential

Network Engineer Company Confidential

Network Communications MAJESTIC 25758 Company Confidential

Cyber Network Analysis Tech, Majestic Company Confidential

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

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