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From the employer's careers site First seen 1 Nov 2026

Network Engineer / Architect - TS/SCI with Polygraph

GDIT Washington On-site senior full-time

Salary

$144,500 - $195,500 per year

Apply on GDIT

Description

Transform technology into opportunity as a Network Engineer/Computer Network Architect with GDIT. You'll design, architect, configure, deploy, upgrade, and support government organization's systems, including LANs, WANs, network segments, intranets, and other data communication systems.

Responsibilities:

  • Design, architect, configure, deploy, upgrade, and support the government organization’s systems.
  • Manage fact-finding, analysis, and development of final reports and delivery of presentations related to information technology.
  • Design, lead, and manage the delivery of mission-critical systems and software products.
  • Conduct organizational analysis and evaluations to determine functional requirements.
  • Work closely with versatile systems and engineering specialists to prioritize customer requirements, define goals, and refine business objectives.
  • Coordinate with Systems Architect/Engineers, Security, and Program/Project Management to ensure team alignment on key initiatives and dependencies between groups.
  • Assist with network/system design and analyze network models.
  • Provide on-site support for customer network, virtual, and physical server systems.
  • Diagnose and troubleshoot storage systems and other related technologies.
  • Oversee the installation of new storage hardware and software according to standard operating procedures.
  • Design network and computer security measures to defend, detect, and prevent unauthorized network activity.
  • Manage and define network device firewall policies, rules, and reports to support network defense.
  • Research and recommend network and data communications hardware and software.
  • Operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports.

Requirements:

  • 10+ years of related experience.
  • Top Secret/SCI clearance and ability to obtain and maintain a CI Polygraph.
  • DoW Approved Baseline 8570 IAT Level III certification is required prior to start date.
  • Understanding of spanning-tree, OSPF, BGP, VRFs.
  • Proficient in Cisco routers, switches, Nexus, and firewalls.
  • Proficient with Cisco and Palo Alto firewalls.
  • Familiar with cloud networking.
  • General troubleshooting skills.
  • Physical ability to install new hardware.
  • Strong understanding of essential TCP/IP concepts: TCP, UDP, ICMP, SMTP, SNMP, LDAP, DNS, NTP, etc.
  • Hands-on engineering experience with NetApp and other storage technologies and concepts.
  • Experience with SAN, NAS, and iSCSI storage implementations.
  • Experience with capacity planning and sizing storage and backup environments.
  • Experience in performance tuning and optimizing storage and backup environments.
  • Experience with data center migrations and storage replication technologies.
  • Senior-level experience with design, development, implementation, and maintenance of large-scale systems.

Benefits:

  • 401K with company match.
  • Comprehensive health and wellness packages.
  • Internal mobility team dedicated to helping you own your career.
  • Professional growth opportunities including paid education and certifications.
  • Cutting-edge technology you can learn from.
  • Rest and recharge with paid vacation and holidays.

Skills

Required

  • Enterprise Architecture Management
  • Enterprise Architecture Strategy
  • Enterprise System Architecture
  • TCP/IP
  • Cisco routers
  • switches
  • Nexus
  • firewalls
  • Palo Alto firewalls
  • cloud networking
  • NetApp
  • SAN
  • NAS
  • iSCSI
  • capacity planning
  • performance tuning
Apply on GDIT