Senior Network Engineer

Leidos Inc; Odenton (MD); Hybrid; USD 92,300 - 166,850; Full time

Job summary

Leidos Inc. is seeking a Senior Network Engineer to support a Department of War customer in the Washington DC metro area. You will join an elite team to build, maintain, and support secure government networks.

You will integrate compute, storage, security, and cloud access, refine designs with customers, and mentor junior engineers. The role includes troubleshooting, firewall design, VPN maintenance, and cross-team collaboration in a hybrid, multi-location setting.

Qualifications

• Bachelor's degree with 8+ years' experience or an associate's degree with 10+ years' experience.
• Experience with firewall security hardening and central management tools.
• Hands-on with Palo Alto Panorama for PAN-OS management.
• Demonstrated networking and switching protocols experience.
• A US Citizen who can obtain a DoD Secret clearance.
• Cisco Certified CCNA and baseline DoD 8140 certs.

Responsibilities

• Integrate compute, storage, security, and cloud access into network architectures.
• Refine and finalize designs with customers.
• Mentor junior staff in network engineering and design.
• Collaborate with team members to support growth and learning.
• Develop solutions for future engagements with customers.
• Troubleshoot complex network issues and document root cause analyses.
• Design and implement firewall policies to secure networks.
• Maintain VPN connectivity with partners and vendors.
• Troubleshoot escalated issues across hardware, OS, and applications.
• Monitor firewall logs, security incidents, and provide performance reports.
• Support hybrid multi-location operations and automation improvements.
• Document status updates and knowledge articles for teams.

Skills

Network design

Team mentoring

Customer collaboration

Incident analysis

Documentation

Security hardening

Education

Bachelor's degree

Associate's degree

Tools

Palo Alto Panorama

PAN-OS

VPN technologies

Job description

Description

Leidos currently has an opening for a Senior Network Engineer to support a Department of War customer in the Washington DC metro area. This is a great opportunity to work with an elite team of network professionals to maintain a secure environment for critical systems. Bring your own experience and work with our team to teach and learn while building, maintaining, and supporting our customer environments.

Primary Responsibilities

• Integrate compute, storage, security, and cloud access into network architectures.
• Work directly with customers to refine and finalize designs.
• Mentor junior staff in skill development in network engineering and design.
• Collaborate and work with team members to assist in skill development and team growth.
• Work with program management, developing solutions for future customer engagements, including meeting with customers to understand requirements and develop solutions.
• Troubleshoot complex network issues and assist with the development of solutions.
• Perform incident analysis to determine possible causes and potential fix. Document Root Cause and recommendations to prevent future occurrences.
• Design and implement firewall policies to secure the organization's network and protect against external and internal threats.
• Design, maintain, update, and document VPN connectivity to partners and outside vendors.
• Troubleshoot escalated network and security issues ranging from hardware to operating systems/applications/permissions/user profile related issues.
• Monitor firewall logs and alerts to identify and resolve security incidents.
• Work in hybrid multi-location operations team administering existing production network.
• Assist in creating automation and process improvements toward greater efficiency, reduced incidents, and proactive systems management.
• Support tickets and manage incidents, service requests, and problems through their full life-cycle.
• Provide health and performance reporting and take appropriate actions based on trends in data.
• Document status updates and communicate to necessary parties.
• Document troubleshooting steps and knowledge articles for team members and other teams.

Basic Qualifications

• Bachelor's degree and 8 years' experience or an associate's degree and 10 years' experience
• Experienced with operational and security hardening configuration for firewall solutions
• Hands‑on experience with Palo Alto Panorama for centralized management of PANOS firewalls
• Demonstrated experience with networking and switching protocols and infrastructure services
• Familiar with ticketing systems and the value of good documentation
• A US Citizen who can obtain a DoW Secret clearance
• Cisco Certified CCNA
• Obtain a baseline 8140 certification [(IAT Level II) CCNA‑Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP]

Preferred Qualifications

• Bachelor of Science in IT Related Field and 10+ years of experience
• Palo Alto Next-Gen Firewall
• Cisco Certified CCNP
• DoD secret clearance
• Security+ CE certification

Pay and Benefits

Pay Range: $92,300.00 - 166,850.00

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.

Commitment to Non-Discrimination

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.