Demo

Senior Network Administrator

SES Corporation
Alexandria, VA Full Time
POSTED ON 11/2/2026
AVAILABLE BEFORE 4/28/2027
Years of Experience: 10 years of experience

Education Requirements: Bachelor's degree in computer science, Information Systems, Engineering, or related field, or equivalent practical experience

Program Description: The contractor shall provide IT Infrastructure support services, which includes Tier 1 Help Desk, Tier 2 End User Support, Tier 3 Server, Platform, and Network Infrastructure Support and Engineering. Services shall include, but are not limited to, technical assistance for hardware, software, and network issues; incident and problem resolution; service request management; infrastructure monitoring and support; hardware and software lifecycle support; and management of escalation across all tiers.

Position Description: The Senior Network Administrator is responsible for managing and maintaining the

agency's network infrastructure. This role involves overseeing the deployment,

configuration, and support of Cisco network devices, Palo Alto Firewall devices, Cloud

networks while ensuring optimal performance, security, and availability

Requirements

  • A bachelor's degree in computer science, information systems, engineering, or

related field.

  • A Cisco Certified Internetwork Expert (CCIE) certification or a minimum of ten
  • years of experience in a relevant IT area, to include LAN, WAN, wireless,

VoIP, data center and software-defined networking (SDN) administration,

engineering, and architecture.

Responsibilities

  • The senior network administrator shall be responsible for, but is not limited to, performing

the following:

  • Leading the installation, configuration, and maintenance of Cisco network

devices, including routers, switches, and firewalls.

  • Monitoring and optimize the performance of the network, ensuring efficient

resource allocation and minimal downtime.

  • Diagnosing and resolving complex network issues, including connectivity,

performance, and security problems.

  • Ensuring the security of the network by applying patches, updates, and security

configurations of all network devices.

  • Maintaining comprehensive documentation of network configurations,

procedures, and policies.

  • Working closely with other IT teams to support network needs and integrate

network solutions with other systems.

  • Providing guidance and mentorship to junior network administrators and other IT

staff.

  • Providing architect network infrastructure services to include establishing secure

baseline network configurations, developing network implementation plans, and

service deployments.

  • Leading complex troubleshooting layer 2, layer 3, wireless network, VoIP, data

center and SDN technologies.

  • Researching and report on new technologies and how they provide value to

the organization.

  • Performing hardware installations and supporting the configuration of IT network

systems in NCUA on-prem environments.

Required Skills:

  • Bachelor's degree in computer science, Information Systems, Engineering, or related field
  • Ability to maintain a Public trust security clearance

Benefits

SES provides a competitive salary and the following benefits:

  • Medical
  • Dental
  • Vision
  • AD&D
  • STD
  • LTD
  • Company paid Life Insurance
  • 401k with employer contribution
  • Paid Time Off
  • Pet Insurance

Salary.com Estimation for Senior Network Administrator in Alexandria, VA
$132,773 to $157,527
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