Sr. Network Administrator

Nationwide IT Service, Inc.

Yesterday
Top Secret/SCI
Mid Level Career (5+ yrs experience)
Unspecified
No Traveling
IT - Support
Quantico, VA (Off-Site/Hybrid)

Sr. Network Administrator

Position Overview:
Nationwide IT Services (NIS) seeks a Senior Network Administrator to manage network infrastructure operations, maintenance, and administration across multiple enclaves, data centers, regional field offices, and AWS GovCloud environments. This role supports DCSA IT modernization and One IT initiatives to enhance flexibility and scalability in enterprise IT.

Work Schedule:
Hybrid Schedule: Must be willing to report on-site 5 days a week if required.
Work Hours: 0800-1730.

Security & Certification Requirements:
TS/SCI eligibility is required.
IAT-II Certification (CCNA-Security, CySA+, CND, or Security+ CE).
Applicable Network Environment (NE) Certification is required.

Key Performance Objectives (KPOs)
Network Operations & Administration
Ensure 99.9% uptime across all managed networks.
Implement and maintain secure, scalable, and optimized infrastructure.
Support cloud migrations and transitions from AT&T MPLS to DISA MPL

Security & Compliance:
Perform weekly/monthly patching & security updates, ensuring 100% compliance.
Harden network systems per DoD DISA STIG guidance.
Conduct vulnerability assessments and trend analysis to mitigate risks.

Infrastructure & Asset Management
Maintain bench stock of equipment to sustain optimized network operations.
Ensure lifecycle maintenance & compliance with end-of-life timelines.
Support accreditation & documentation for network deployment.
Operational Efficiency & Troubleshooting
Provide F5 BigIP balancing & traffic load balancing support.
Perform site surveys & field office upgrades.
Identify and resolve network issues using monitoring & bandwidth management tools.

Documentation & Compliance:
Maintain network diagrams, architecture documents, SOPs, and access control lists (ACLs).
Support change control via the Change Review Board.
Facilitate backup & recovery operations.

Primary Responsibilities:
Research and implement emerging network technologies & best practices.
Support IT/Communications Security (COMSEC).
Ensure secure cable management in data centers, LAN rooms, and telecom closets.
Provide support for AWS GovCloud and other cloud infrastructure.

Required Skills & Experience:
BA/BS in IT, Cybersecurity, Data Science, Information Systems, or Computer Science.
An additional 4 years of experience may be considered instead of a degree.
9+ years of relevant experience in network administration.
Active Top-Secret clearance with SCI eligibility.

Desired Skills & Competencies:
Self-motivated, proactive, and able to work independently & collaboratively.
Strong ability to follow DoD & agency processes to minimize risks.
Excellent written & verbal communication skills.
Strong problem-solving, critical thinking, and analytical abilities.
Results-oriented with a commitment to achieving operational efficiency.
Ability to work across diverse teams to achieve common objectives.

About Nationwide IT Services 
NIS is an IT and Management consulting company, is a CVE-verified Service-Disabled Veteran- Owned Small Business. Our mission is to deliver value-added services to our customers, leveraging technology, people, and industry best practices to implement innovative solutions through our trusted employees and team members.   
  
Our benefits package includes medical, dental, and vision insurance, life and disability insurance, 401(k) plan with employer match, paid holidays, PTO (sick/vacation), commuter benefits, employee assistance program (EAP), and educational reimbursement along with Pet Insurance. 

Nationwide IT Services, Inc. provides equal employment opportunities (EEO) to all qualified applicants without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran status.
group id: 10241331
N
Name HiddenTalent Acquisition Manager
Find Nationwide IT Service, Inc. on Social Media
Network Employers (5)
Recruiter
Talent Acquisition Manager
Sr. Lead Recruiter
Recruiter
Recruiter
About Us
Nationwide IT Services, Inc. (NIS) is designated 8(a) by the SBA, and a CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) Information Technology (IT) and Management consulting company. NIS has been providing Information Technology Solutions, program management support services and subject matter expertise within the federal government since 2006. NIS works with each client to deploy a mission-specific solution that: Complies with the Regulatory Environment Captures the Client’s Mission, Vision & Values Aligns Objectives with Deliverables Applies Industry Best Practices Creates Measurable, Sustainable Change.

Nationwide IT Service, Inc. Jobs


Job Category
IT - Support
Clearance Level
Top Secret/SCI