3,473 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).

Merrifield, VA13 days ago

$50–$69 Per Hour

By applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. The position requires expertise in cybersecurity engineering, with a focus on data scanning technologies.

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.

Vienna, VA7 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.

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.

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.

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).

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.

Washington DC, DC15 days ago

Remote

$150,000–$180,000 Per Year

This role is ideal for someone who enjoys solving open‑ended technical problems, translating high‑level requirements into well‑architected solutions, and advising on best practices across networking, security, and cost optimization. This is a contract consulting role designed for a hands‑on professional who can independently design, assess, and implement secure, scalable Azure networking and DevOps solutions with minimal oversight.

McLean, VA15 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!

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!

Haymarket, 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 .

Washington DC, DC15 days ago

Remote

$317,500–$365,000 Per Year

This role requires both strategic vision and operational rigor: you will architect the systems, governance models, and organizational capabilities that ensure Circle’s products are designed, launched, and operated with strong, risk-based controls from inception through global scale. Circle’s platform includes the world’s largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet.

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!

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!

Manassas, 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!

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!

Columbia, MD5 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, 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.

Columbia, MD7 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.

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.

Washington DC, DC15 days ago

Remote

We have created a feature-rich, scalable yet simple to use software platform to implement many different enterprise and service provider use cases, including: Full software-defined and Unified SASE for enterprise customers or MSP’s. Versa Networks, Inc. is a leading vendor of next-generation Software Defined solutions and architectures, called Unified-SASE (Secure Access Service Edge).

Washington DC, DC15 days ago

Remote

As a leader in Secure SD-WAN, SSE (Secure Service Edge), SASE (Secure Access Service Edge) and Next-generation Managed Services, we are empowering organizations across the globe to transform their IT infrastructure for the modern cloud era. Founded by industry veterans and backed by premier venture capital firms, Versa is a market leader driving innovation and growth as it positions itself for a future IPO.

Vienna, VA7 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, VA7 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.

Washington DC, DC15 days ago

We are building the enterprise software infrastructure to capture, catalog, refine, enrich, and protect massive datasets and make them available for real-time data analysis and AI training and inference. Our success has been built through intense innovation, a customer-first mentality and a team of fearless VASTronauts who leverage their skills & experiences to make real market impact.

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.

Reston, VA15 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, 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.

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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 Cyber Security Engineer Mitchell Martin

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

System Engineer - Cyber Security Engineering Focus Esri

SME Network Engineer Govcio LLC

Network Development Engineer Leidos

Cyber Security Engineer III System One

Data Security Engineer System One

Network Storage Engineer - Senior Leidos

Sr Cloud Security Engineer PlanIT Group

DevOps/Azure Networking - Remote Levi, Ray & Shoup

Computer Security Systems Specialist By Light Professional IT Services

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

VP, Global Head of Product Security and Risk - Remote Circle

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

Data Center Controls Engineer Amazon Data Services, Inc.

Data Center Security Officer Securitas

Hybrid Cloud Engineer ECLARO

Pre-Sales Engineer - Remote Tenable Network Security

Enterprise Architect PlanIT Group

Senior Research Engineer, Systems Engineering Team Tenable Network Security

IT - Systems Engineer II PlanIT Group

Lead Systems Engineer - AWS Cloud System One

Sr. Systems Engineer - Service Providers - Remote Versa Networks

Sr. Systems Engineer - Remote Versa Networks

Sr. System Engineer - ArcGIS Esri

System Engineer - ArcGIS Esri

Senior Systems Engineer - Global Financials VAST Data

Telecommunications Design Engineer System One

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

Site Reliability Engineer - CTJ - POLY Microsoft

Computer/Network Security Systems Specialist (Lead) Company Confidential

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