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Network Security Engineer Jobs in Reston, VA (NOW HIRING)

Industry certifications such as CCNA Security, CCNP Security, Palo Alto Networks Certified Network Security Engineer (PCNSE), or similar industry certifications are preferred What you can expect from ...

Network Engineer

Herndon, VA · Hybrid

$170K - $185K/yr

Network Engineer Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver ... The ideal candidate will have a deep understanding of network security principles, excellent ...

Microsegmentation Engineer

Vienna, VA · Remote

$107K - $146K/yr

Network Security Microsegmentation Engineer Location: REMOTE Pay Rate: Open to W2 Position Type: Multiyear Contract Candidates must live in the United States and be able to work on our payroll as a ...

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Evergreen: Senior Network/Security Engineer

Mclean, VA · Remote

$59.25 - $77.25/hr

Senior Network/Security Engineer Job number: 793 This is a remote position. Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern ...

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Network Security Engineer information

See Reston, VA salary details

$21.8K

$130K

$173.7K

How much do network security engineer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for network security engineer in Reston, VA is $129,991.00, according to ZipRecruiter salary data. Most workers in this role earn between $108,700.00 and $148,800.00 per year, depending on experience, location, and employer.

What Does a Network Security Engineer Do?

As a network security engineer, your job duties include configuring routers, switches, firewalls, virtual private networks (VPNs), and other network monitoring tools against intrusions. You need technical, analytical, and problem-solving skills to carry out your network security tasks. Your job is to ensure that your company’s internal networks are protected from potential online threats, like hackers and malware that can steal or corrupt sensitive data from websites, computer programs, databases, and servers. You need to remain current with new developments in the field to master fast-evolving network security technologies.

What are some common challenges faced by Network Security Engineers in maintaining secure and efficient networks?

Network Security Engineers often encounter challenges such as staying ahead of rapidly evolving cyber threats, ensuring minimal downtime during security upgrades, and balancing strong security measures with network performance. Additionally, they must work closely with IT teams and end-users to implement security policies without disrupting daily operations. Keeping up with compliance standards and effectively communicating risks and solutions to non-technical stakeholders are also important aspects of the role.

What are the key skills and qualifications needed to thrive as a Network Security Engineer, and why are they important?

To thrive as a Network Security Engineer, you need a solid understanding of networking protocols, firewall management, vulnerability assessment, and typically a bachelor's degree in computer science or a related field. Familiarity with security tools like IDS/IPS, SIEM systems, and certifications such as CISSP or CompTIA Security+ are highly valued. Strong analytical thinking, attention to detail, and effective communication skills help distinguish top professionals in this role. These skills are crucial for safeguarding organizational data, identifying security threats, and ensuring robust network protection.

What are Network Security Engineers?

Network Security Engineers are IT professionals responsible for protecting an organization's computer networks from security threats and unauthorized access. They design, implement, and maintain security measures such as firewalls, intrusion detection systems, and encryption protocols. Their role involves monitoring network traffic, responding to security incidents, and ensuring compliance with security policies and regulations. Network Security Engineers also conduct regular vulnerability assessments and work to keep systems up to date against evolving cyber threats.

What is the difference between Network Security Engineer vs Security Analyst?

AspectNetwork Security EngineerSecurity Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, GIAC Security Essentials, CompTIA Security+
Work EnvironmentDesigning, implementing, and maintaining security infrastructureMonitoring, analyzing, and responding to security incidents
Employer & Industry UsageIT departments, cybersecurity firms, large enterprisesCorporate security teams, government agencies, financial institutions

While both roles focus on cybersecurity, Network Security Engineers primarily design and implement security systems, whereas Security Analysts monitor and respond to security threats. They often work together to ensure comprehensive protection of organizational networks.

What are popular job titles related to Network Security Engineer jobs in Reston, VA? For Network Security Engineer jobs in Reston, VA, the most frequently searched job titles are:
What job categories do people searching Network Security Engineer jobs in Reston, VA look for? The top searched job categories for Network Security Engineer jobs in Reston, VA are:
What cities near Reston, VA are hiring for Network Security Engineer jobs? Cities near Reston, VA with the most Network Security Engineer job openings:
Infographic showing various Network Security Engineer job openings in Reston, VA as of July 2026, with employment types broken down into 1% Locum Tenens, 93% Full Time, 3% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $129,991 per year, or $62.5 per hour.
Senior Network Security Engineer (SDN / Multi-Enclave) with Security Clearance

Senior Network Security Engineer (SDN / Multi-Enclave) with Security Clearance

Peraton

College Park, MD • On-site

$57.75 - $75.50/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago


Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 56 frontline employees who took The Breakroom Quiz

42nd of 210 rated it services


Job description

About Peraton Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure. About The Role Peraton Labs is seeking a poly cleared Senior Network Security Engineer (SDN / Multi-Enclave) to provide senior technical leadership for the secure design, implementation, and sustainment of network and system architectures across multiple enclaves, including environments with different data protection and classification requirements. In this role you will lead security planning and risk activities, recommend system-level solutions to meet security requirements, and support our MD-based government customer in establishing and enforcing trusted relationships among external systems and architectures. The ideal candidate for this role will bring deep expertise in Software Defined Networking (SDN) and demonstrated security compliance experience within government programs of similar scope and complexity. This position requires full-time on-site work at a customer site near College Park, MD. Responsibilities within this role may include: * Design, engineer, and validate secure network/systems solutions spanning multiple enclaves with varying security boundaries and classification levels
* Recommend and implement system-level security solutions to satisfy mission, compliance, and operational requirements
* Perform and support security planning, assessments, risk analysis, risk management, including documentation and briefing of risk decisions and mitigations
* Support our government customer in enforcing the design and implementation of trusted relationships among external systems and architectures (e.g., interconnections, cross-domain dependencies, boundary protections)
* Engineer and secure SDN-enabled architectures (i.e. controller/overlay models), ensuring segmentation, policy enforcement, and strong access control
* Install, configure, harden, troubleshoot, and support network telecommunications infrastructure and security capabilities
* Develop/maintain network security artifacts such as security design packages, interface control documentation, diagrams, and compliance evidence
* Conduct root-cause analysis of security or connectivity issues and implement corrective actions that preserve mission availability and security posture
* Provide technical guidance to teams and stakeholders; participate in design reviews, security reviews, and change control activities#MDFSP #PLABS26 Qualifications Required qualifications * Minimum of 12 years of experience as a Network Security Engineer (or related role) supporting DoD/IC programs, and a Bachelor's in Computer Science, Cybersecurity Engineering, System Engineering, Network Engineering or related discipline. 4 years of additional experience may be accepted in lieu of a bachelor's degree (for a total of 16 years of experience)
* 5+ years of experience demonstrating principles, theories, methods, and techniques of security software (IOS) and hardware across Juniper, FORE, and Cisco routers/switches
* Demonstrated experience in the installation and support of network telecommunications, with expert-level network security knowledge
* Hands-on knowledge and troubleshooting experience with:
* LAN/WAN, VLANs, VoIP
* Routing: RIP, OSPF, EIGRP
* Authentication: AAA/TACACS
* Security controls: Juniper/FORE/Cisco ACLs
* Experience implementing and troubleshooting secure network products such as VPNs and IDS/IPS (or equivalent)
* Demonstrated experience designing, implementing, securing, or operating Software Defined Networking solutions
* Demonstrated experience supporting security compliance (planning, assessment, audit support, evidence collection, control implementation/validation)
* An active/current Cisco Certified Network Associate (CCNA) certification is required for this role; additionally, you should have or have documented (over 50%) progress toward completion of a Cisco Certified Network Professional (CCNP) certification
* Active TS/SCI security clearance with a current polygraph is required.
Additional preferred qualifications * Experience supporting DoD/IC customers and multi-enclave/multi-domain architectures
* Experience with security engineering in regulated frameworks (e.g., RMF/ATO processes, control validation, POA&M support)
* Hands-on with SDN platforms/approaches (controller-based networking, overlays, micro segmentation, policy-as-code concepts)
* Experience with IDS/IPS tuning, VPN design at scale, and secure segmentation patterns in hybrid environments
* Ability to author high-quality technical documentation (design packages, CONOPs, SOPs, diagrams) and brief technical + non-technical stakeholders
#MDPM #MDFSP Details Target Salary Range: $146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits. Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. EEO:Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017