Senior Systems Network Administrator
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Job Location:
Quantico, VA - USA
Monthly Salary:
$ 92300 - 166850
Posted on:
5 days ago
Vacancies:
1 Vacancy
Job Summary
Leidos has an immediate opening for a Senior Systems / Network Administrator to support critical SMIT contract initiatives based in Quantico VA contributing to enterprise network modernization efforts. The Service Management Integration and Transport Marine Corps Enterprise Network (SMITMCEN) modernizes and consolidates the Marine Corps shore-based networks into a single secure enterprise environment supporting over 200000 Marines and civilian users worldwide. SMIT-MCEN is the largest IT services program for the Navy.
The Senior Systems / Network Administrator will oversee the operation of network systems architecture and topology through deployment and oversight of network operations specialists. The qualified candidate could also perform asset scanning and logging of assets that have been delivered in accordance with established Government directives for both Lab and Production assets.
As a member of the Leidos team you will assist in the deliveryof the core backbone of the Navy-Marine Corps Intranet including cybersecurity services network operations service desk and data transport.
Other duties and responsibilities include but are not limited to:
Provide centralized 24/7 support for Active Directory and networking issues within the MCEN-N/S environment.
Manage administrative account creation account transfers and spillage resolution in compliance with security protocols.
Mitigate malicious email threats and maintain secure SIPR VTC tunnel operations.
Support tactical configuration needs in unclassified environments and oversee transport account management.
Perform IOS reloads troubleshoot account access issues and promptly resolve connectivity losses.
Process and resolve service requests through the MCEN Remedy ticketing system handling an average of 50 tickets daily and approximately 2000 annually per technician.
Collaborate closely with onsite local technicians who resolve approximately 90% of issues promptly minimizing operational downtime.
Document lessons learned and lead continuous improvement efforts by identifying and mitigating network vulnerabilities.
Maintain current certifications and stay informed on emerging threats and IT advancements to ensure ongoing network readiness and compliance.
Basic Qualifications:
Bachelors Degree in Computer Science MIS Business or related field. Experience may be substituted in lieu of degree.
US Citizen with an active DOD Top Secret clearance
Ten (10) years of IT experience including monitoring Internet Protocol version 6 (IPv6) Enhanced Interior Gateway Routing Protocol (EIGRP) Border Gateway Protocol (BGP) Virtual Local Area Networks (VLANs) Virtual Private Networks (VPNs) and Network Address Translation (NAT).
Ten (10) years of experience within Active Directory / Exchange; monitoring / adding / troubleshooting accounts.
At least 3 years of experience working with Remedy or a similar ticketing system.
Must possess an Information Assurance Technician (IAT) Level II certification and a Security X certification.
NGEN
At Leidos we dont want someone who fits the moldwe want someone who melts it down and builds something better. This is a role for the restless the over-caffeinated the ones who ask whats next before the dust settles on whats now.
If youre already scheming step 20 while everyone else is still debating step 2 good. Youll fit right in.
Original Posting:
January 5 2026For 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 $92300.00 - $166850.00The 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.
Required Experience:
Senior IC
Key Skills
- Computer Science
- Active Directory
- Computer information Technology
- PowerShell
- OS
- Windows
- Database
- SCCM
- Linux
- SAN
- Troubleshoot
- Backup
- Setup
- Technical Support
- UNIX
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
