Senior Network Engineer, Insider Threat Program

Apex Systems; Lorton (VA); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Medical benefits

401K and ESPP

HSA and EAP

Job summary

Everforth Apex seeks a Senior Network Engineer to support a vital DoD program in a secure on-site facility in Lorton, VA. You will design, sustain, and evolve the enterprise network, ensuring high availability and robust security across environments.

Required are 8+ years of engineering experience, CCNP or higher, and hands-on work with LAN/WAN, switches, and firewalls. DoD Top Secret clearance is required or obtainable. This role is on-site five days a week.

Qualifications

• Bachelor's degree in engineering, IT management, or related field; Master’s valued.
• 8+ years of relevant engineering experience; recent hands-on network experience.
• CCNP or equivalent professional network certification is required.
• Experience deploying and operating LAN/WAN switches and firewalls in enterprise networks.
• Knowledge of defense-in-depth, security architecture, and STIG/NIST compliance.
• Ability to install and maintain Cisco gear (Cisco 2900/4500/9300/9400/6800/Nexus 9000) and Firepower/ASA.
• Experience with incident lifecycle management including incident response and post-action reporting.
• Experience with SolarWinds, WhatsUP Gold, NetQoS, NetBrain.

Responsibilities

• Support enterprise network infrastructure, including maintenance and capacity management.
• Provide guidance on upgrades, recapitalization, and availability planning.
• Oversee cross-domain solutions for secure data transfer across environments.
• Maintain documentation of configuration baselines.
• Design and implement system recapitalization plans for growth.
• Act as SME for internal network infrastructure and components.
• Build, optimize, and maintain firewall policies to enhance threat prevention.

Skills

CCNP or higher

LAN/WAN switches

Firewalls

Security architecture

VMware/Linux/Windows/AD

Security incident management

Network management tools

Education

Bachelor's degree in engineering/IT management

Master's degree (valued)

Tools

SolarWinds

WhatsUp Gold

NetQoS

NetBrain

Cisco Firepower/ASA

Job description

Job#: 3056886

Job Description:

Candidates must be U.S. citizens able to obtain and/or maintain a Department of Defense security clearance as a condition and continuation of employment.

Senior Network Engineer, Insider Threat Program

Location: Lorton, Virginia (On-site)

Role Overview

We are seeking a Senior Network Engineer to support a vital technology infrastructure program. The selected candidate will play a pivotal role in supporting, sustaining, designing, and evolving the enterprise network. This position offers an exciting opportunity to apply advanced technical expertise in network design and optimization, ensuring the protection and high availability of critical secure information systems. Candidates must be fully comfortable working on-site five days a week in a secure facility.

Key Responsibilities

• Support the enterprise network infrastructure, performing all routine maintenance and capacity management.
• Provide technical guidance on system upgrades, recapitalization, and availability planning.
• Oversee cross-domain solutions supporting secure data transfer across multiple system environments.
• Maintain comprehensive documentation to capture the configuration baseline accurately.
• Design and implement system recapitalization plans to accommodate growth and service evolution.
• Serve as the primary subject matter expert for all internal network infrastructure and components.
• Build, optimize, and maintain firewall policies and rule sets to enhance threat prevention.

Required Qualifications

• Bachelor's degree in engineering, IT management, or a related field, or equivalent experience. A Master's degree is highly valued.
• 8+ years of relevant engineering experience, or a Master's degree with 6 years of experience. Should demonstrate recent hands‑on technical experience within the past 2 years in network builds, operations, and support.
• Cisco Certified Network Professional (CCNP) or other professional-level network certification is required.
• Experience with engineering, deployment, and operations of LAN and WAN Switches, and Firewalls ensuring seamless integration into existing network infrastructure
• Working knowledge of defense-in-depth principles, network/HW/SW security architecture, network topology, IT device integrity, and common security elements
• Ability to install, configure, and maintain equipment including Cisco network and FW gear Cisco 2900, 4500, 9300, 9400, 6800 and Nexus 9000, and Cisco Firepower, ASA.
• Experience with and proven methods for managing the information security incident lifecycle, including incident response, mitigation, post-action reporting, and mapping a path forward.
• Network Management experience with Solarwinds, or WhatsUP Gold, NetQoS, NetBrain
• Cross platform familiarity and experience with VMWARE, Linux, Microsoft Server and AD.
• Ability to build firewall policy and optimized rule sets for improved efficiency and threat prevention.
• Knowledge in deployment of new network configuration to meet NIST/FISMA/STIG compliance requirements
• Experience in supporting ATO reviews and audits
• Must demonstrate high emotional and professional maturity with the ability to present technical concepts effectively to executive leadership and organizational officials.

Preferred Qualifications

• Master's degree or other advanced credentials in information systems security or specialized network security.
• 10+ years of proven success in technology service delivery management
• Experience with User Activity Monitoring products and platforms
• Experience with Everfox High Speed Guard Platform
• Experience with Cisco, Juniper LAN/WAN network infrastructure
• Experience with Palo Alto Firewalls
• Certified Information Systems Security Professional (CISSP)
• Palo Alto Networks Accredited Configuration Engineer (ACE) - PAN-OS 7.0 Version

PLEASE NOTE:

Candidates must be able to obtain and/or maintain a Department of Defense Top Secret clearance as a condition and continuation of employment.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

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