Senior Network Engineer

Leidos Holding$131K — $237K *
Telecommunications & Hardware
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree with at least 12 years of experience, or a Master's with 10 years, or 16 years of relevant experience without a degree.
  • Active Top Secret/SCI clearance with Poly required.
  • Hands-on experience with Layer 2 and Layer 3 configurations, focusing on dynamic routing protocols (BGP, EIGRP, OSPF).
  • Proficient in designing and implementing datacenter technologies using Nexus platforms.
  • Experience with network monitoring and management tools such as SYSLOG, SNMP, and Solarwinds.
  • Familiar with advanced network security concepts and technologies including firewalls and VPNs.
  • Skills in engineering solutions utilizing Cisco technologies, including Call Manager and VTC.

Responsibilities

  • Provide technical expertise in network integration and consolidation across multiple environments.
  • Resolve technical issues related to network hardware installation and upgrades.
  • Analyze business and technical requirements by interfacing with customers and vendors.
  • Engineer and implement technical solutions throughout their lifecycle.
  • Lead engineering teams on projects, ensuring optimal resource utilization for implementations.
  • Train and mentor engineers on emerging technologies for skill enhancement.
  • Document engineering standards and contribute to network architecture development.

Benefits

  • Comprehensive health and wellness programs.
  • Retirement plan options with company match.
  • Opportunity for professional training and development.
  • Flexible work arrangements.
  • Potential for occasional travel within the continental U.S.
Full Job Description
Leidos is looking for a Senior Network Engineer to be part of a team responsible for the design, migration, implementation, enhancement, optimization and maintenance of LAN/DATACENTER/WAN.

This position will work with engineers on various technical projects. This could include but not limited to network consolidation and integration, architecture designs and updates, site renovations and relocations.

Primary Responsibilities:
• Provide technical expertise and assist with network integration and consolidation efforts across multiple systems environments.
• Addresses and resolves technical problems of moderate complexity relating to the installation and upgrade of network hardware and systems.
• Interface with customers, vendors and technical staff to analyze business and technical requirements.
• Engineer/implement technical solutions from a cradle to grave technical approach.
• Lead a team of engineers on projects, ensuring everyone is properly utilized to provide a finalized technical solution/implementation.
• Assist/train engineers on new technologies to better the organizations technical expertise
• Understanding of software automation tools and ability to incorporate programming languages to do the repetitious tasks.
• Document engineering standards, supports the development of network architecture and engineering designs and changes.
• Assist in evaluating current and emerging technologies, conducts technical assessments and makes recommendation to senior engineers.
• Strong interpersonal and customer service skills.
• Effectively complete individual projects and tasks with some oversight.
• Engineer first article work on multiple system environments.

Travel: May require occasional travel throughout the continental U.S.

Basic Qualifications:
• Requires a Bachelor and at least 12 years of prior relevant experience or Masters with 10 years of prior relevant experience preferred or 16 years of relevant career experience in lieu of degree.
Clearance: Active Top Secret/SCI clearance w/Poly is required
• Layer 2 and Layer 3 hands-on configuration experience, with emphasis on dynamic routing protocols, such as, BGP, EIGRP, and OSPF. Knowledge configuring GRE and IPSEC Tunnels, MPLS, DMVPN, Pseudowires, VPLS and Remote Site and Site-to-Site VPNs. Excellent troubleshooting skills.
• Design and implementation of datacenter technologies using nexus platforms.
• Hands on experience with the implementation and use of network monitoring, fault management and performance analysis tools, such as, SYSLOG, SNMP, Solarwinds, ISE, etc.
• Familiarity with data center infrastructure and experience with Cisco Routers, Switches, Nex Gen Firewalls, ESXi, VMware.
• Utilizing Juniper SRX equipment and Palo-Alto Firewalls to engineer boundary protection mechanisms.
• Experience with network security concepts, best practices and technologies including, but not limited to, SSH, IPSec, TACACS, PKI, firewall policies, DNS, Active Directory, and 802.1x.
• Engineering solutions with Cisco Call Manger and VTC technologies.
• Possess excellent written and oral communication skills.

* As a condition of employment, this position requires the candidate pass both a customer required medical and psychological screening

Original Posting:
July 7, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and 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 Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

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