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Job #: R-00001626
Location: Arnold, MO
Category: Network Administration and Ops
Schedule (FT/PT): Full time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI
Referral Eligibility: Eligible
Group: Intelligence

Job Description:

Leidos is seeking a Sr. Network Engineer to support our Arnold, MO customer. An ACTIVE TS/SCI level security is a must to be considered.

This position is responsible for the design and development of voice, video, radio-frequency, and/or data communications networks Effective candidates will be able to:

  • Analyze voice, video, radio-frequency, and/or data communications networks, including planning, designing, evaluating, selecting, and upgrading operating systems and protocol suites and configuring communication media with concentrators, bridges, and other devices
  • Plan network layouts and configures systems to user environments
  • Analyzes network topologies and traffic and capacity requirements
  • Supports the acquisition of hardware and software as well as subcontractor services as needed
  • May provide technical support and troubleshooting to users
  • May perform network administration duties
  • May provide guidance and work leadership to less-experienced network personnel
  • Maintains current knowledge of relevant technology as assigned
  • Participates in special projects as required


Bachelors Degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.


5-8 years of directly related experience in network analysis and administration.

Specific Duties and Responsibilities:

The Network Engineering responsibilities will include:
  • Working Tier 2/ Tier 3 Network related Remedy tickets
  • Work with internal and external customers to fill information gaps and communicate architecture and technical solutions.
  • Assist in the development of the NCE Network Transport Architecture
  • Develop detailed logical designs in areas of:
    • IPv4 & IPv6 (will migrate to IPv6 over life of contract)
    • Routing Table Virtualization (VRFs)
    • Cisco MPLS
    • Security, IDS, VPN and various types of encryption
  • QOS and COS
  • Spanning Tree and Cisco VSS architectures
  • Multicast architecture
  • Gigabit Ethernet Switching/Routing (OSPF & BGPv4)
  • Implement the above named detailed logical designs
  • Monitor, Troubleshoot and maintain the implemented transport solutions

"External Referral Eligible"


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 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) 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.

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