Senior Network Engineer

Ft Belvoir, VA

Full Time

Experienced

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.

Apply for this position

Required*

First Name*

Last Name*

Email Address*

Phone*

Address*

Resume*

We've received your resume. Click here to update it.

Attach resume or Paste resume

Attach resume as .pdf, .doc, .docx, .odt, .txt, or .rtf (limit 5MB) or Paste resume

Paste your resume here or Attach resume file

This position requires U.S. citizenship due to contractual, regulatory, or security requirements. Are you a U.S. citizen?*

Please indicate the highest DoD security clearance you currently hold:*

Do you currently hold an active DoD 8570/8140 IAT Level II certification? Qualifying certifications are CASP+ CE, CCNA-Security, CCNP Security, CCSP, CISA, CISSP (or Associate), CND, CySA+, GCED, GCIH, GICSP, GSEC, Security+ CE, and SSCP.*

Please upload a copy of your current DoD 8140 IAT Level II certification (Security+ CE or equivalent).

This position requires onsite support at Ft Belvoir, VA as the primary work location. Are you able and willing to meet these requirements?*

The salary range for this position is listed in the job posting. Based on that range, what is your minimum salary requirement to consider this opportunity?*

This position requires a Bachelor's degree with 8+ years of relevant experience, or a Master's degree with 6+ years of relevant experience. Which best describes you?*

Do you currently hold an active Cisco Certified Network Associate (CCNA) certification?*

Please upload a copy of your active CCNA certification.

Do you have hands-on experience designing, implementing, and supporting enterprise Cisco network infrastructure?*

Do you have hands-on experience configuring and administering Palo Alto Networks next-generation firewalls, including security policies, NAT, threat prevention, and GlobalProtect?*

Do you have experience supporting networking solutions within a DoD enterprise environment?*

The following questions are entirely optional.

To comply with government Equal Employment Opportunity and/or Affirmative Action reporting regulations, we are requesting (but NOT requiring) that you enter this personal data. This information will not be used in connection with any employment decisions, and will be used solely as permitted by state and federal law. Your voluntary cooperation would be appreciated. Learn more.

Gender

Race/Ethnicity

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

A “disabled veteran” is one of the following:
- a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
- a person who was discharged or released from active duty because of a service-connected disability.
A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Veteran status

I IDENTIFY AS ONE OR MORE OF THE CLASSIFICATIONS OF PROTECTED VETERAN LISTED ABOVE
I AM NOT A PROTECTED VETERAN
I DON’T WISH TO ANSWER

Human Check*

Submit Application