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Job #: R-00009308
Location: Chantilly, VA
Category: Network Administration and Ops
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI with Polygraph
Referral Eligibility: Ineligible
Group: Intelligence


Job Requisition:

Network Engineer - TS/SCI with Polygraph

Job Description:

At Leidos, we know the most talented and diverse IT and engineering professionals will always have a multitude of career choices; your time at Leidos will be a wise investment in your career and in yourself. Our Defense business is helping to modernize and manage infrastructure, systems and controls, and cybersecurity for federal agencies and commercial clients around the globe. With core competencies in information technology, energy and environment, complex logistics, and specialized engineering, we solve technical challenges and implement newfound efficiencies on a number of programs. Leidos is seeking an Enterprise SD WAN Engineer with Enterprise Security experience and AWS solutions experience, located in Northern VA. Qualified individual designs to pre-determined security architectures and develops data collection and reporting for new secured data center implementation.

Primary Responsibilities:

• Demonstrate a strong understanding of WAN related technologies and circuits.
• Works under general supervision, developing the requirements of a product from inception to conclusion
• Must have expertise with the design, implementation and O&M of Hub-Spoke LAN and WAN architectures. The network consists of a government multi-level security network consisting of 25+ sites and 300+ users.
• Network support provides connectivity CONUS/OCONUS CISCO LAN plant with Gigabit switching and routing to internal servers and external networks.
• Coordinate with the Vendor PM, and Site POCs for service delivery.
• User representatives to ensure accurate solutions and user satisfaction on technical matters

Basic Qualifications:

• TS/SCI with Poly is required to be considered
• Mid-level WAN Engineer with a minimum of 4 – 7 years' experience.
• Bachelor’s Degree in Computer Science, Engineering or a related STEM technical discipline, or the equivalent combination of education, technical training, or work/military experience.
• Engineering and architecting multiple-classification IT systems and services
• Successfully deploying network hardware, system, and software upgrades
• Datacenter network environments utilizing high speed switching platforms
• Utilizing Cisco products such as ISR-G3, ASR, Nexus, Catalyst and ASA equipment
• Knowledge in implementing different transport mechanisms such as Tunneling and Encryption
• Understanding and implementing different routing protocols (BGP, OSPF, EIGRP)
• Network and network security design where under general direction, manages the design, installation and support of LAN/WAN based networks and security components such as routers, switches and firewalls, datacenter equipment
• Managing/installing/configuring Juniper related equipment.
• Utilizing network monitoring systems such as Solarwinds, Kiwi Cat Tools
• Experience with TACACS/RADIUS/802.1x/Posture/Compliance
• Understanding how client/server systems integrate into the network/understand the flows in order to integrate into network infrastructure
• Resolving complex network and security issues where in-depth evaluation and analysis was required using SNMP based network monitoring platforms, LAN/WAN test equipment, and log analyzers
• Demonstrated written and oral communication skills, including experience with coordinating with other Government Staff/Contractors and industry partners.

Preferred Qualifications:

• Any Secured DoD Cloud experience is a plus
• Prior DoD Civilian or Military service desired.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Top Secret/SCI with Polygraph


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Network Administration and Ops



Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

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 here.

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

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.

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