10,118 Results for

Network Security Jobs in Springfield, VA

Jobs

Senior Network Security Engineer ZipStaff Inc.

Washington, District of Columbia

$43–$44
Quick Apply

ZipStaff is seeking an experienced Senior Network Security Engineer to serve as a technical leader in designing, implementing, and optimizing perimeter and infrastructure security controls for a major transportation organization. In this high-impact role, you will safeguard critical enterprise infrastructure across on-premises networks and multi-cloud environments (AWS and Microsoft Azure) with a heavy focus on Palo Alto Networks firewalls.

9 days ago

Network Security Engineer Agile Defense

Suitland, Maryland

$100,000–$115,000 / year

Eight (8) years of experience in a large government organization with five (5) years in technical leadership, including four (4) years implementing and troubleshooting Cisco ISE with expertise in:o Authentication and authorization policies (RADIUS/TACACS+)o 802.1X/EAP methods for wireless and wired accesso Device profiling, posture checks, and endpoint complianceo Certificate based authentication (EAP TLS) and PKI integrationo AAA integrations for switches, appliances, firewalls, and wireless controllers. Deploy, configure, and maintain Cisco ISE components, including:o Policy Sets, Authorization Profiles, and Authentication Ruleso TACACS+ device administrationo 802.1X for wired and wireless networkso Profiling, posture, and compliance policieso Certificate based authentication and PKI integrations.

30+ days ago

Senior Network Security Engineer CACI

Columbia, Maryland

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.

30+ days ago

Cyber Network Security Architecture - Manager Deloitte

Mclean, VA

$134,500–$265,100 / year

Design scalable security architectures spanning Cloud-Native Application Protection Platforms (CNAPP), Secure Access Service Edge (SASE), next-generation firewalls, VPNs, content delivery networks (CDNs), load balancers, subnetting, and cloud security guardrails. 6+ years of experience in the design and architecture of enterprise-level technical stacks, including VPNs, CDN solutions, Load Balancers, Subnetting, Next-Generation firewall design, and highly scalable security solutions like Secure Access Service Edge (SASE) technologies.

30+ days ago

Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$105,400–$207,800 / year

1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.

30+ days ago

Network Security Systems Instructor IV OBXtek Inc.

Springfield, VA

4+ years of technical skills and experience of installing, programming, troubleshooting, and repairing any of the following Network Security Systems: command line interface-based IT equipment, electronic systems, IoT devices, network-based CCTV, computer network equipment, installation of infrastructure, copper and fiber optic communication and signal wiring, enterprise managed networking hardware, and software configuration. The instructor must be an excellent communicator and possess solid technical skills in any of the following Network Security Systems (NSS) disciplines: High-Definition Security Video Systems, Data Center Configuration and Management, or Cyber Security Countermeasures.

20 days ago

Network/Systems Engineer (Cyber Security Architect) Ardent Principles, Inc.

Chantilly, VA

$130,000–$260,000 / year

You must have the following required skills, certifications and demonstrated experience in and/or with: 4+ years’ experience in network engineering, systems engineering, or infrastructure operations, with a strong emphasis on enterprise networking concepts (routing, switching, subnets, firewalls, and segmentation). Who We Are: We offer advanced services in data science, data engineering, software engineering, AI solutions, cybersecurity, staff augmentation, and IT program management.

6 days ago

Cyber Zscaler Network Security Engineering Manager / Manager, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$134,500–$265,100 / year

3+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 7+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.

30+ days ago

Network Security Engineer AHU Technologies

Washington, District of Columbia

$46–$51 / hour

Highly Desired Certifications: Certification in network or system administration is highly desired, such as CCNA, CCNP, CCIE, CISSP, MCSE, MCSA, or other related and similar certifications Qualifications: · Must have knowledge in the development, configuration, installation, and maintenance of networked systems including local area networks (LANs) and wide area networks (WANs), telephony systems; and perform routing network configuration management functions. · Monitor network infrastructure and systems using tools such as Cisco ISE, Cisco Umbrella, Cisco FMC, SSH, Microsoft Active Directory Tools and Utilities, Microsoft Intune, Kaseya, Cayosoft, RDP, and managing appliances including IDS/IPS devices, firewalls, VMware vCenter, Windows Servers, DHCP, DNS, and other tools as available or necessary.

30+ days ago

10 Years Network IT Security Engineer AHU Technologies

Washington, District of Columbia

$90–$95 / hour

Establish and maintain regular written and in-person communications with the organization’s executives, decision-makers, stakeholders, department heads, and end users regarding pertinent network activities.2. Design company LANs, WANs, VMs, virtual networks, and wireless networks, including servers, routers, hubs, switches, UPSs, and other devices.4.

30+ days ago

Network Security Engineer Senior GD Information Technology

Ashburn, Virginia

As a Network Security Engineer Senior, you will: Lead the design, engineering, and lifecycle management of enterprise network security infrastructure including firewalls, intrusion detection and prevention systems (IDS/IPS), VPN solutions, and network access control technologies. This multifaceted program spans 24/7/365 Security Operations Center (SOC) monitoring, advanced threat intelligence, forensics, incident response, cloud and network security engineering, zero trust modernization, vulnerability assessment, and enterprise-wide risk and compliance activities.

14 days ago

Network Security Engineer Junior GD Information Technology

Ashburn, Virginia

This multifaceted program spans 24/7/365 Security Operations Center (SOC) monitoring, advanced threat intelligence, forensics, incident response, cloud and network security engineering, zero trust modernization, vulnerability assessment, and enterprise-wide risk and compliance activities. The U.S. Customs and Border Protection (CBP) Cyber Security Directorate (CSD) is leading one of the most comprehensive, mission critical cybersecurity operations in the federal government, protecting the digital infrastructure that safeguards America’s borders.

14 days ago

Network Security Engineer Credence

McLean, VA

$130,000–$155,000 / year

Support audit readiness and compliance for CMMC Level 2 and SOC 2, including maintaining network-layer controls in the System Security Plan (SSP), providing firewall and network evidence for assessments, and contributing to ISSO functions as needed. Experience with network monitoring and management platforms such as PRTG Network Monitor, network documentation tools such as NetBox, and network automation and configuration management tools such as Ansible.

30+ days ago

CNO - System Admnistrator - Network, Linux, Security Erias Ventures

Annapolis Junction, Maryland

$185,000–$225,000 / year

Experience Ten (10) years of experience in software and firmware design, development, and test to include writing clear, concise, functioning and fully commented code, and a Bachelor’s degree in a relevant field of expertise (e.g., Computer Engineering, Computer Science, or Systems Engineering) from an accredited college or university. We are seeking engineers who wish to grow their careers and want to become part of a strong, entrepreneurial-minded, and technical company focused on bringing innovative solutions to the difficult mission problems facing our customers.

28 days ago

Network Engineer -TS/SCI Security Clearance Required Power3 Solutions

Columbia, Maryland

Conducts cost/benefit analysis and provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Tulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility.

14 days ago

Network Security Engineer Junior General Dynamics Information Technology

Ashburn, Virginia

14 days ago

Security Operations Center (SOC) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte

Rosslyn, VA

Full time

This position will eventually roll into a SOC Analyst position which requires a familiarity with Network monitoring tools, Windows, and Linux operating systems (OS) mechanics including filesystem structures, disk and memory forensics, cyber aware Operational Technology or Control Systems operators, commonly used mechanisms for maintaining security persistence, privilege escalation, and lateral data movement, operating system log analysis, and triaging suspicious file artifacts for unusual behavior. Our Hybrid Cloud Infrastructure offering provides specialized engineering capabilities to design, implement, manage, and operate hybrid cloud environments, modernize networks and AI infrastructure from the core to the edge, and incubate new infrastructure and device services to help clients stay ahead with the latest technology advances.

20 days ago

Security Operations Center (SOC) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte Touche Tohmatsu Ltd

$113,000–$188,400 / year

20 days ago

Network Engineer - Active Security Clearance Cadre

Reston, VA

Full time
Quick Apply

Duties:This Network Engineer performs the following core functions:Develop Datacenter, LAN, WAN, and Client Access networks/systemsIntegrate, Test, and deploy systemsPerform full lifecycle management of network systems (building, deploying, maintaining)Monitor networksPerform other duties as assigned at the discretion of Project Management Required Qualifications:Ability to obtain and maintain a TS/SCI with polyBachelor's degree preferred, in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline related to the specific skillMinimum of six (6) years of experience specific to the skill. Experience building, deploying, maintaining, Cisco Application Centric Infrastructure (ACI) networksExperience building, deploying, maintaining, Cisco ASAs via Firepower ManagementExperience building, deploying, maintaining, Cisco HyperflexExperience building, deploying, maintaining, Palo Alto Firewalls via PanoramaExperience building, deploying, maintaining, Citrix Application Delivery ControllersKnowledge with SIEM and security analytical technologies (e.g.

2 days ago

Network Analyst - Active Security Clearance Cadre

Reston, VA

Full time
Quick Apply

Network architect or cellular network engineering for 3G, 4G, and/or 5G to include core network (EPC and 5G) and radio network engineeringDuties: This Network Analyst performs the following core functions:Coordinate with the customer's other multidisciplinary teams to provide timely and accurate network analysis regarding the logical and physical routes of key telecommunications networks within a designated areaWork with appropriate members and organizations to evaluate the role and value of potential network operationsDisplay a mastery of relevant network operations, principles and best practices across various projectsEmploy their mastery creatively to support the multidisciplinary teams in providing direct mapping and graphics inputs into the customer's modeling tool as well as in modeling briefingsDisplay subject matter expertise on complex projectsPerform other duties as assigned at the direction of Project Management Required Qualifications:Ability to obtain and maintain a TS/SCI with polyBachelor's degree preferred, in a STEM discipline (e.g. Working knowledge of Network Management Systems (NMS) in the network and or Network Function Virtualization and SDNWorking knowledge of one or more of the following:Public Switched Telephone Network (PSTN)Data networks (IP, MPLS, traffic engineering, OpenFlow)Dedicated/Private communications networks both traditional voice and VOIPVOIP networks, softswitches, SBCsFiber optic cable, characteristics, engineering, installation and maintenanceRF related technologies such as cellular technologies, microwave, millimeter wave and VSATGigabit-capable Passive Optical Network (GPON) technologyStrong analytical skillsAbility to work with large volumes of dataComputer and database skills Desired Qualifications:Active TS/SCI with poly with most recent BI/Polygraph dates within the last five yearsForeign language capability is not required but is considered a plus.

2 days ago

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Network Security Jobs in Springfield, VA

Senior Network Security Engineer ZipStaff Inc.

Network Security Engineer Agile Defense

Senior Network Security Engineer CACI

Cyber Network Security Architecture - Manager Deloitte

Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, And Transformation Deloitte

Network Security Systems Instructor IV OBXtek Inc.

Network/Systems Engineer (Cyber Security Architect) Ardent Principles, Inc.

Cyber Zscaler Network Security Engineering Manager / Manager, Strategy, Growth, And Transformation Deloitte

Network Security Engineer AHU Technologies

10 Years Network IT Security Engineer AHU Technologies

Network Security Engineer Senior GD Information Technology

Network Security Engineer Junior GD Information Technology

Network Security Engineer Credence

CNO - System Admnistrator - Network, Linux, Security Erias Ventures

Network Engineer -TS/SCI Security Clearance Required Power3 Solutions

Network Security Engineer Junior General Dynamics Information Technology

Security Operations Center (SOC) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte

Security Operations Center (SOC) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte Touche Tohmatsu Ltd

Network Engineer - Active Security Clearance Cadre

Network Analyst - Active Security Clearance Cadre

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