7,502 Results for

Network Security Jobs in Ashburn, VA

Jobs

Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$105,400–$207,800 / year

Configuring and tuning security capabilities including Threat Prevention, intrusion prevention system/intrusion detection system (IPS/IDS), Anti-Spyware, Antivirus, WildFire, Domain Name System (DNS) Security, and Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption policies. Experience integrating Palo Alto Firewalls and Prisma with SIEM/SOAR platforms (e.g., Splunk, Microsoft Sentinel, Palo Alto XSOAR) via log streaming, API connectors, or syslog for threat detection and incident response workflows.

3 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.

3 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.

3 days ago

Cyber Network Security Architecture - Senior Manager Deloitte

Mclean, VA

$163,400–$322,100 / year

8+ 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. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.

3 days ago

Network Security Engineer (Firewall & Vulnerability Management) - Enterprise Firewall Engineering/Check Point, Endpoint Security Administration Peraton

Washington, D.C.

$135,000–$216,000 / year
Full time

Serving as the single dedicated technical engineering resource , the selected candidate will independently execute ten security improvement projects spanning vulnerability management, endpoint protection, patch management, firewall and network security, identity and access management, and security governance. Responsibilities extend beyond identifying vulnerabilities and recommending corrective actions to directly implement approved security configuration changes, executing technical remediation, optimizing security platforms, and delivering measurable improvements to the organization's security posture.

3 days ago

Network and Security Engineering Intern - 2027, Ashburn, VA Visa Inc

Ashburn, VA

$41–$48 / hour

As a Network and Security Engineering Intern, you will contribute to Visa's network engineering organization by supporting the automation, testing, validation, and certification of network technologies that power Visa's global infrastructure. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

3 days ago

Network Engineer – VDI Security / Network Infrastructure TalentOps

Chantilly, Virginia

This role supports technical risk assessment and mitigation activities across a broad range of enterprise technologies, including IT systems and networks, mobile and wireless networks, cloud-based computing, network management platforms, communication protocols, scripting and programming products, configuration scripts, and IT hardware and software products. The Network Engineer will manage the security and performance of a virtual desktop infrastructure environment, including networking components, firewall policies, VPNs, network segmentation, and endpoint policy enforcement.

30+ days ago

Network Security Engineer Twitter

Washington, DC

$100,000–$258,000 / year

Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

11 days ago

Networking Security Engineer (R-00236) True Zero Technologies

Ashburn, VA

Full time

PWS minimum certifications: CompTIA Security+ and Network+; Cisco CCST Networking or Cybersecurity or CCENT; Palo Alto PCCSA; Juniper JNCIA-Junos; and AWS Cloud Practitioner. Our culture and commitment have been recognized through numerous accolades, including being named one of the Best Places to Work in 2023 in two categories (“Prosperous and Thriving” ($5MM–$50MM in gross revenue) and “Mid-Atlantic Region” (DC, DE, MD, NC, VA, WV)), and again in 2025 as a Best Places to Work honoree.

7 days ago

Cisco Network Security Engineer/ Senior Consultant Deloitte

Washington, DC

$105,400–$207,800 / year

3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).

15 days ago

Network Security Engineer (Firewall & Vulnerability Management) Peraton Inc

Washington, DC

$135,000–$216,000 / year

Serving as the single dedicated technical engineering resource, the selected candidate will independently execute ten security improvement projects spanning vulnerability management, endpoint protection, patch management, firewall and network security, identity and access management, and security governance. Responsibilities extend beyond identifying vulnerabilities and recommending corrective actions to directly implement approved security configuration changes, executing technical remediation, optimizing security platforms, and delivering measurable improvements to the organization''s security posture.

2 days ago

Network Security Engineer SpaceXSI

Washington, DC

$100,000–$258,000 / year

Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

2 days ago

Sr. Network Security Engineer III (6852) MetroStar Systems

Washington, DC

$207,000–$320,000 / year

Demonstrated subject matter expertise designing, implementing, and managing next-generation firewalls, VPN solutions, intrusion prevention systems, and network access control platforms. Our team is responsible for designing, operating, and hardening complex security environments, and you'll play a critical role in strengthening, scaling, and protecting these environments while enabling secure mission delivery across the organization.

21 days ago

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

Rosslyn, VA

$113,000–$188,400 / year

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.

21 days ago

Counsel, Consumer Protection and Network Security Policy Verizon Communications Inc

Washington, DC

$161,000–$280,000 / year

Verizon seeks a technically-sophisticated attorney to join its policy organization's Regulatory Affairs team, which handles advocacy efforts across jurisdictions on various issues, including infrastructure, cybersecurity, privacy, artificial intelligence, public safety, transactions, net neutrality, consumer protection, and wireless spectrum. This position will focus on government policy initiatives relating to robocalls/robotexts, fraud/scam mitigation, network security/resilience, and consumer protection, including Telephone Consumer Protection Act issues.

29 days ago

Cloud Network Security Engineer (Top Secret clearance) Mission Bridge Partners

Washington, DC

$175,000–$200,000 / year

What You'll Do As a Cloud Network Security Engineer, you will: Configure and maintain hybrid and multi-cloud networking components, including virtual networks, gateways, site-to-site VPNs, and dedicated circuit connectivity across Azure and AWS. Preferred Qualifications Hands-on experience with both Azure networking (VNets, subnets, NSGs, ExpressRoute, VPN Gateway, Azure Firewall) and AWS networking (VPCs, Transit Gateways, Site-to-Site VPN, Security Groups).

24 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.

16 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.

16 days ago

Network Infrastructure Security Engineer AHU Technologies

Washington, District of Columbia

$50–$55 / hour

Job Description: Short Description: Network Security Engineer Complete Description:Employment Type: W2/ 1099 Senior Network Security Engineer II supports the ongoing design, implementation, operation and security of the Client network and the supporting security infrastructure. We are currently working on Various projects such as media entertainment, ERP Solutions, data warehousing, Web Applications, Telecommunications and medical to our clients all over the world.

28 days ago

Network Security Engineer Junior General Dynamics Information Technology

Ashburn, Virginia

16 days ago

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Network Security Jobs in Ashburn, VA

Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, And Transformation Deloitte

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

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

Cyber Network Security Architecture - Senior Manager Deloitte

Network Security Engineer (Firewall & Vulnerability Management) - Enterprise Firewall Engineering/Check Point, Endpoint Security Administration Peraton

Network and Security Engineering Intern - 2027, Ashburn, VA Visa Inc

Network Engineer – VDI Security / Network Infrastructure TalentOps

Network Security Engineer Twitter

Networking Security Engineer (R-00236) True Zero Technologies

Cisco Network Security Engineer/ Senior Consultant Deloitte

Network Security Engineer (Firewall & Vulnerability Management) Peraton Inc

Network Security Engineer SpaceXSI

Sr. Network Security Engineer III (6852) MetroStar Systems

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

Counsel, Consumer Protection and Network Security Policy Verizon Communications Inc

Cloud Network Security Engineer (Top Secret clearance) Mission Bridge Partners

Network Security Engineer Senior GD Information Technology

Network Security Engineer Junior GD Information Technology

Network Infrastructure Security Engineer AHU Technologies

Network Security Engineer Junior General Dynamics Information Technology

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