Senior Network Engineer

Job Description

Job Description

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success! 

Job Summary
JCS Solutions is seeking a Senior Network Engineer to support our teaming partner, Leidos. In this role you will design, implement, modernize, and sustain enterprise network infrastructure in a fast-paced DoD environment. You will provide engineering expertise for the mission-critical LAN, WAN, and secure network infrastructure behind classified and enterprise operations.
You will work independently and with multidisciplinary engineering teams to deliver secure, resilient, and scalable network solutions as customer mission needs change. Strong Cisco routing and switching skills and hands-on Palo Alto Networks firewall experience are essential.
Location: Ft. Belvoir, VA
Clearance: TS/SCI
Salary: $70,000.00 - $104,000.00
Certification: Active DoD 8140/8570 IAT Level II certification.

What’s in it for you: 

• Join a premier technology firm specializing in innovative solutions.  
• Be part of a collaborative, inclusive, and innovative work culture.  
• Enjoy tremendous growth potential in a high-performing team environment.  
• A robust benefits package: 
  • Health, dental, and vision insurance  
  • Life insurance  
  • Short-and-long term disability  
  • Paid time off (PTO)  
  • 401k retirement plan with employer match 
  • Annual Professional Development Reimbursement Program  
  • And more! 

What you will do:

• Design, implement, configure, and maintain enterprise LAN and WAN infrastructure.
• Engineer and support Cisco routing and switching environments for mission-critical networks.
• Configure, troubleshoot, and optimize routing and switching technologies, including OSPF, BGP, VLANs, Spanning Tree Protocol (STP), and HSRP/VRRP.
• Support WAN connectivity over MPLS, VPN, and Internet-based transport.
• Configure, administer, and maintain Palo Alto Networks next-generation firewalls.
• Design, implement, and support secure Palo Alto GlobalProtect remote access and site-to-site VPN solutions.
• Monitor network health, analyze performance, identify bottlenecks, and implement corrective actions.
• Perform advanced Layer 1–7 troubleshooting using industry-standard diagnostic tools.
• Develop and maintain engineering documentation, implementation plans, network diagrams, and standard operating procedures.
• Take part in technology refreshes, network modernization efforts, and infrastructure upgrades.
• Work with cybersecurity staff to ensure compliance with DoD cybersecurity policies, RMF requirements, and applicable STIGs.
• Support scheduled maintenance, incident response, and operational troubleshooting in a high-availability environment.

What you will bring: 

• Clearance: Active TS/SCI security clearance and U.S. citizenship.
• Extensive experience designing, implementing, and supporting enterprise Cisco network infrastructure.
• Strong working knowledge of:
  • TCP/IP
  • IPv4/IPv6
  • DDI (DNS/DHCP/IPAM)
  • NAT
  • VLANs
  • Copper and fiber optic cabling standards
  • Quality of Service (QoS)
  • OSPF
  • MPLS
• Secure Access Service Edge (SASE) technologies
• Hands-on experience configuring and administering Palo Alto Networks next-generation firewalls, including security policies, NAT, threat prevention, and GlobalProtect.
• Experience implementing and supporting secure remote-access and site-to-site VPN technologies.
• Demonstrated experience troubleshooting enterprise LAN and WAN environments.
• Experience supporting networking solutions within a fast-paced DoD enterprise.
• Excellent written, verbal, and interpersonal communication skills.
• Ability to manage multiple priorities while working independently and as part of a technical team.

Required Certifications

• Active DoD 8570/8140 IAT Level II certification. Any one of the following qualifies:
  • CASP+ CE, CCNA-Security, CCNP Security, CCSP, CISA, CISSP (or Associate), CND, CySA+, GCED, GCIH, GICSP, GSEC, Security+ CE, SSCP, Active Cisco Certified Network Associate (CCNA)

Education Requirements

• Bachelor's degree in computer science, information technology, engineering, or a related discipline with 8+ years of relevant experience, or
• Master's degree with 6+ years of relevant experience.
• A Doctorate in a technical domain is acceptable.

Work Schedule

• Full-time with flexible hours. You must be available for off-hours work when needed to support installations and migrations.

How you will wow us:

• Cisco Certified Network Professional (CCNP).
• Experience with BGP and advanced SD-WAN architectures.
• Experience deploying and supporting Versa Networks or similar SD-WAN solutions.
• Network automation experience with Python, Ansible, and Infrastructure-as-Code (IaC).
• Familiarity with Network Access Control and Comply-to-Connect technologies, such as Cisco ISE and IEEE 802.1X.
• Experience with enterprise network monitoring platforms, such as SolarWinds or PRTG.
• Experience supporting hybrid cloud networking in Microsoft Azure and/or AWS.
• Knowledge of the DoD Risk Management Framework (RMF), STIGs, and Zero Trust networking principles, including SD-WAN, micro- and macro-segmentation, and Zero Trust Network Access (ZTNA).
• Familiarity with break-and-inspect, reverse web proxy, and other application-based firewall features.
• Experience reviewing packet capture data for troubleshooting and analysis.
• Experience supporting on-premises virtualization platforms, such as VMware vSphere.

JCS Solutions (JCS) is a premier technology firm providing innovative solutions and high-quality services in defense, national security, and civilian sectors. JCS offers enterprise-wide solutions including cloud computing, software development, cybersecurity, digital modernization, and management consulting for the federal government. At JCS, we elevate our customers’ mission through the application of technology and professional services. Our commitment to investing in our workforce drives innovation and progress for our clients, employees, and communities.

JCS is both a Great Place to Work and a Top Places to Work certified company.

Our employees embody our core values, and we are looking for others who do too!

• Customer Experience: Strive for excellence and delight our clients 
• Innovation: Embrace creative thinking to enable continual growth and powerful solutions 
• Accountability: Take ownership of and pride in our actions and service delivery 
• Inspire: Be inspired to be your best self and have fun in the process 
• Integrity: Do the right thing, the right way, every time! 
• Stewardship: The careful and responsible management of something entrusted to our care. 

At JCS Solutions, compensation is based on a number of factors such as location, qualifications, and applicable contract terms. The general salary range for this position is as follows: $70,000.00 - $104,000.00

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to any protected status protected by applicable federal, state, or local laws.

NOTICE : Please be aware that all JCS Solutions communications related to job interviews and offers from our recruiting team will only come from @JCSSolutions.com. We want to emphasize that we do not conduct any interviews over Discord, Slack, Skype, Zoom, or any chat app.

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