Sr. Network Implementation Engineer

Leidos; Chantilly (VA); On-site; USD 92,300 - 166,850; Full time

Job summary

Leidos is seeking a Sr. Network Implementation Engineer in Chantilly, VA to design, implement, test, and upgrade complex DOD networks. Responsibilities include documenting designs, coordinating migration windows, and assisting operations teams with fault isolation and scalable solutions.

The role requires DISA STIG-aligned secure designs and Authority to Operate (ATO) for new devices and software, plus leading a small team of network specialists in planning and executing deployments.

Qualifications

• Active TS/SCI with Poly clearance.
• 16 years of related experience or an equivalent combination of work history and education.
• Must comply with DoD 8140 IAT Level 2.

Responsibilities

• Interpret customer requirements and document designs with diagrams and BOMs.
• Schedule maintenance windows with minimal impact on data flows.
• Provide technical guidance to Operations engineers and technicians; troubleshoot complex issues.

Skills

OSPF

BGP

VLANs

802.1q

port-channels

Education

Doctorate + 8 years equivalent

Master's + 10 years equivalent

Bachelor's + 12 years equivalent

Tools

Cisco

Brocade

Juniper

Job description

Description

The Digital Modernization Sector at Leidos has an opening for a Sr. Network Implementation Engineer to support computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling.

The job duties are as follows:

• Interpret customer requirements and apply standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, and other supporting documents.
• Schedule maintenance windows for migrating user connections from legacy to the modern infrastructure transition services with little to no impact on critical data flows.
• Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve tough problems with innovative and scalable solutions.
• Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies. Obtain Authority to Operate (ATO) for new devices, software, and capabilities.
• Supervise (not manage) other network support specialists to plan, coordinate, and implement network services.
• Develop and improve design products, processes, and systems for our team to work efficiently and effectively.
• Escalationpoint for incident management enterprise level outages which involves troubleshooting across multiple enterprise segments and teams.

Basic Requirements

• Required Clearance: TS/SCI with Poly
• Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years
• Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
• Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
• Prior responsibility for production network hardware configurations for Cisco, Brocade, and/or Juniper.
• Hands‑on experience implementing and troubleshooting standard routing protocols in a production network, such as Open Shortest Path First (OSPF) or Border Gateway Protocol (BGP)
• Hands‑on experience implementing and troubleshooting standard switching and trunking protocols in a production network, such as Virtual Local Area Networks (VLANs), 802.1q, and port‑channels.

Desired Qualifications

• Network engineering and design experience specific to CAN/LAN. Experience should include application of industry standards, developing configurations, and integration of solutions into production environments.
• Network engineering and design experience with MPLS WANs, network management tools, and firewalls.
• Expert knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.
• Cisco Certified Network Professional (CCNP) orJuniper Networks Certified Internet Professional - Enterprise Routing and Switching (JNCIP-ENT) equivalent knowledge.
• Initiative and disciplined to work unsupervised as part of a network engineering team. Experience establishing process, developing documents, and organizing repositories a plus.

Pay Range

Pay Range $92,300.00 - $166,850.00

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 .

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.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.