Network Administrator

The Leidos Security and Engineering Programs (SEP) is seeking a Network Administrator for the Center for Information Systems Security (CISS) program. This is a unique role which offers opportunity for growth in different areas (networking, system administration, etc) for motivated individuals. This position requires the ability to work flexible hours in Washington DC. SECRET clearance is required for consideration.

Work Schedule is as follows:

Monday thru Friday 2PM-10:30PM

Primary Responsibilities

List daily duties and/or specific job responsibilities.

1) Performs the integration of new COTS/GOTS systems (network equipment, servers, workstations, etc) into the production environment, responsible for ensuring mission readiness.

2) Manages change controls for documentation within a configuration management database (CMDB) and performs corrective action on any discrepancies or findings.
3) Develops technical solutions and resolves complex user, computer, server, network, appliance, and application issues. Independently and consistently records, manages, and updates these solutions in a knowledge database and ticketing system.
4) Reviews data from a DoD Network Monitoring System. Reviews historical data and proactively audits systems to ensure they meet program requirements. Assesses risks and remediates incidents.
5) Once trained on the program specific equipment, the candidate will be relied on as an expert in their AOR, and will be expected to analyze issues, make remediation recommendations to management, and subsequently carry out those remediation processes.

Basic Qualifications

Bachelor's degree with 2+ years' experience. Or Master's with 1 years' experience. A High School diploma with an additional 4 years' relevant experience may be considered in lieu of a degree.
Final Secret clearance with ability to obtain a Top Secret.
Experience with one or more of the following Windows Server administration tools: AD CS, AD DNS, DHCP, etc.
Cisco, Junos, and Palo Alto configuration, maintenance, and troubleshooting.

Network diagram creation experience using Visio or other visualization tools.
Working knowledge of general networking concepts, such as multicast, OSPF, BGP, VLAN, NAT, etc.
Tier 3 network support.
The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.

Preferred Qualifications

Lifecycle management experience (Cisco, Juniper, and Palo Alto equipment).
Working knowledge of Network Monitoring tools such as OpManager, Solarwinds, PRTG, etc.

Network analyzation tool experience such as Wireshark.
Experience with virtualization concepts.
Infrastructure equipment troubleshooting such as APC or Eaton UPS', Fiber and/or Ethernet installation/termination, and electronic testing and metering equipment.
Ticket tracking system experience (i.e. Remedy, ServiceNOW, SharePoint).
Prior experience in a Network Operations Center style environment.
Cisco and/or Juniper Tier 3 troubleshooting experience.

COMSEC equipment experience.

Original Posting:
May 28, 2025
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 $57,850.00 - $104,575.00

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.