Talent.com
VPN and DMZ Network Engineer
VPN and DMZ Network EngineerLeidos Inc • Reston, VA, United States
VPN and DMZ Network Engineer

VPN and DMZ Network Engineer

Leidos Inc • Reston, VA, United States
4 days ago
Job type
  • Full-time
Job description

Description

Leidos currently has an opening on the 'Service Management, Integration and Transport' (SMIT) Contract for a VPN (Virtual Private Network) & DMZ (Demilitarized Zone) Network Engineer located in Oak Harbor, WA. Join our team to support the SMIT mission, the largest IT services program for the United States Navy. As part of the Leidos team, you will play a pivotal role in delivering the Navy-Marine Corps Intranet (NMCI) to customers around the globe. We are seeking a skilled VPN & DMZ Network Engineer proficient in network engineering appliances and technologies (i.e. Firewalls, DMZ, VPN) to join our Transport Operations team. In this role, you will be responsible for designing, implementing, and maintaining robust & mature global network security solutions.

Your expertise in configuring enterprise-grade Juniper firewalls, managing DMZ environments, engineering secure VPN solutions, and administering Cisco network appliances will be crucial. You will collaborate closely with cross-functional engineering and project management teams to safeguard our network infrastructure against threats and vulnerabilities ensuring the highest levels of operational integrity. You will be a member of a technical team, managing customer relationships and overseeing key resources for Incident Response, Change Management, Problem Management, Operations and Maintenance (O&M), and ITSM and DevSecOps initiatives.

Primary responsibilities include, but are not limited to :

  • Support Current Operations for the United States Navy by providing VPN, DMZ, and Firewall Network Engineering Subject Matter Expertise (SME) for the largest Intranet in the world. A qualified candidate for this position would be responsible for network modification, operation, integration, maintenance, security, and implementation of services for the as-fielded NMCI network.
  • Collaborates with the Network Operations Center, Network Administrators, and the Network Engineering Team to define and / or continuously improve :
  • Network Security Appliances (i.e. DMZ, VPN, Firewalls)
  • Test and Validate Automation and best practice insertion opportunities.
  • Leads development of Network SOPs / TTPs
  • Continuous Service Improvements (CSI)
  • System performance tuning and enhancements
  • Create and maintain Engineering Implementation Plans (EIP)
  • Plans and executes network upgrades and maintenance activities with the NMCI Operations Manager, NOC Lead, Release Management team and other key stakeholders.
  • Tier III escalation support and vendor engagement supporting Incident Management activities.
  • Active participation in Root Cause Analysis for Problem Management activities.

You'll Bring These Qualifications :

  • Requires B.S. Degree and 8-12 years of prior relevant experience. Work experience may be substituted for degree at Hiring Manager's discretion.
  • U.S. Citizen with an active DoD Secret security clearance.
  • Must currently possess an active DoD 8570.01 IAT Level II Certification i.e. CCNP Security, CISSP, or CASP+.
  • Must currently possess an active Associate level Network Vendor Certification (from one of the following Vendors) : Cisco, Juniper, F5 Networks.
  • Ability to work or be called in to work during off-hours to meet customer mission support requirements.
  • Participate in on-call rotation for Incident Management responsibilities among the Transport Operations team.
  • Network Subject Matter Expert for operations providing Tier-III support to the NOC watch staff.
  • Perform highly technical maintenance and configuration to firewalls, VPNs, and DMZ appliances.
  • Extensive experience engineering and troubleshooting networks, including routing, switching, MPLS, VPNs, routing protocols (i.e. BGP, OSPF, IS-IS), switching protocols (i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP) Multicast protocols and emerging network technologies.
  • Strong understanding and in-depth knowledge of IP network / subnet addressing.
  • Extensive knowledge of defense-in-depth principles, Network architecture, Modern Network Topologies, Network appliance integrity, and common networking security elements.
  • Ansible, Python, IaC network automation experience.
  • At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

    If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

    Original Posting : October 30, 2025

    For U.S. Positions : While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

    Pay Range :

    Pay Range $104,650.00 - $189,175.00

    The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

    About Leidos

    Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

    Pay and Benefits

    Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com / careers / pay-benefits .

    Securing Your Data

    Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. 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 .

    If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

    Commitment to Non-Descrimination

    All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

    Create a job alert for this search

    Network Engineer • Reston, VA, United States

    Related jobs
    Missile Defense System Engineer

    Missile Defense System Engineer

    Parsons Company • Fort Belvoir, VA, United States
    Full-time
    In a world of possibilities, pursue one with endless opportunities.At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership visi...Show more
    Last updated: 1 day ago • Promoted
    2026 Internship - Wireless Communications Engineer - Wireless Cyber Capabilities

    2026 Internship - Wireless Communications Engineer - Wireless Cyber Capabilities

    The Johns Hopkins University Applied Physics Laboratory • Laurel, MD, United States
    Temporary +1
    Do you want to build expertise in wireless communications?.Do you want to learn more about the latest wireless technologies and working with a team to solve some of our. If you are pursuing a Bachel...Show more
    Last updated: 30+ days ago • Promoted
    Minotaur Network Administrator

    Minotaur Network Administrator

    Prescient Edge • McLean, VA, United States
    Full-time
    Minotaur Network Administrator.Research, Development, and Engineering.Minotaur Network Administrator.The requirements listed define the Minotaur Network Administrator (NA) responsibilities and task...Show more
    Last updated: 30+ days ago • Promoted
    Network Security Engineer

    Network Security Engineer

    Shimadzu Scientific Instruments • Columbia, MD, United States
    Full-time
    Established in 1975, Shimadzu Scientific Instruments is one of the largest suppliers of analytical instrumentation, physical testing, and environmental monitoring systems in the world.Ground-breaki...Show more
    Last updated: 27 days ago • Promoted
    DARPA Systems Engineer, TS / SCI

    DARPA Systems Engineer, TS / SCI

    Blue Sky Innovators Inc • Arlington, VA, United States
    Full-time
    Seven (7) years of IT professional experience overseeing the creation of hybrid software, web and hardware products from initial specifications to final rollout and maintenance.Experience integrati...Show more
    Last updated: 1 day ago • Promoted
    Cyber Warfare Technician

    Cyber Warfare Technician

    Navy • Keedysville, MD, United States
    Full-time
    ABOUT Enlisted Sailors in the Navy Cryptology community analyze encrypted electronic communications, jam enemy radar signals, decipher information in foreign languages, and maintain state-of-the-ar...Show more
    Last updated: 30+ days ago • Promoted
    Cyber Warfare Technician

    Cyber Warfare Technician

    U.S. Navy • Woodstock, MD, US
    Full-time +1
    To be eligible to enlist in the U.Navy, candidates must be between the ages of 18-34.As a Cryptologic Technician, you are one of the worlds greatest problem-solvers. Were looking for people with sha...Show more
    Last updated: 1 day ago • Promoted
    Electronic Warfare Specialist

    Electronic Warfare Specialist

    United States Army • Washington, DC, US
    Full-time
    ELIGIBLE FOR UP TO A $16K SIGNING BONUS.Talk to your recruiter for details.As an Electromagnetic Warfare Specialist, you’ll plan and execute electronic warfare operations.You’ll be trained to detec...Show more
    Last updated: 5 days ago • Promoted
    2026 Internship - Military & Space Cybersecurity Engineer

    2026 Internship - Military & Space Cybersecurity Engineer

    The Johns Hopkins University Applied Physics Laboratory • Laurel, MD, United States
    Temporary +1
    Do you love learning about and improving the cybersecurity of critical military systems?.We are seeking interns who are enthusiastic about the research and application of cyber resilience technique...Show more
    Last updated: 30+ days ago • Promoted
    Cloud Engineer \u007C Transitioning Military \uD83C\uDDFA\uD83C\uDDF8

    Cloud Engineer \u007C Transitioning Military \uD83C\uDDFA\uD83C\uDDF8

    INflow Federal • Springfield, VA, US
    Full-time
    At INflow Federal, we’re not just building infrastructure—we’re shaping the future of national defense.We design and engineer secure, intelligent systems that empower mission succ...Show more
    Last updated: 18 days ago • Promoted
    Delivery Consultant - DevOps, National Security (NatSec) Professional Services (ProServe)

    Delivery Consultant - DevOps, National Security (NatSec) Professional Services (ProServe)

    Amazon Web Services, Inc. • Highland, MD, US
    Full-time
    The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with custo...Show more
    Last updated: 30+ days ago • Promoted
    Electronic Warfare Journeyman

    Electronic Warfare Journeyman

    Leidos Inc • Chantilly, VA, United States
    Full-time
    Leidos MSO currently has an opening for an Electronic Warfare Journeyman in Chantilly, VA.Selected candidate will be required to participate in a 5-week Electronic Warfare 101 Course.Successful gra...Show more
    Last updated: 30+ days ago • Promoted
    07 SISG-TR-DO-0007 Information Management / Technical - L4

    07 SISG-TR-DO-0007 Information Management / Technical - L4

    Integrated Intel Solutions • Springfield, VA, US
    Full-time
    Security Specialist-Skill Level 4.Overall Assignment Description : Information Management / Technical (U).U) Provide technical database management and administration support to effectively and effic...Show more
    Last updated: 30+ days ago • Promoted
    DevOps Engineer \u007C Transitioning Military \uD83C\uDDFA\uD83C\uDDF8

    DevOps Engineer \u007C Transitioning Military \uD83C\uDDFA\uD83C\uDDF8

    INflow Federal • Springfield, VA, US
    Full-time
    At INflow Federal, we’re not just building infrastructure—we’re shaping the future of national defense.We design and engineer secure, intelligent systems that empower mission succ...Show more
    Last updated: 18 days ago • Promoted
    F5 Load Balance Network Engineer

    F5 Load Balance Network Engineer

    Leidos Inc • Reston, VA, United States
    Full-time
    At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, an...Show more
    Last updated: 18 days ago • Promoted
    Electronic Warfare Specialist

    Electronic Warfare Specialist

    Modern Technology Solutions Inc • Chantilly, VA, United States
    Full-time
    MTSI is excited to announce an opening for an Electronic Warfare Specialist in Northern, VA.As an Electronic Warfare Specialist, you will provide detection, identification and analysis of radar sys...Show more
    Last updated: 12 hours ago • Promoted • New!
    F5 Network Engineer

    F5 Network Engineer

    Global World Technology • Arlington, VA, US
    Full-time
    Come lead a talented and diverse computer science team in completing exceptional services for clients.If you're ready to make a tangible impact while earning. Our F5 Network Engineer is responsi...Show more
    Last updated: 30+ days ago • Promoted
    CISSP / TOGAF Network Architect #1617474

    CISSP / TOGAF Network Architect #1617474

    Network Designs • Washington, DC, United States
    Full-time
    NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly de...Show more
    Last updated: 18 days ago • Promoted