Senior Cybersecurity & Network Engineer (Hybrid)

Defense Information Systems Agency; Columbus (OH); On-site; USD 95,000 - 135,000; Full time

Job summary

Defense Information Systems Agency (DISA) seeks a Senior Network Engineer within the Cyber Excepted Service to support mission-critical infrastructure. The role focuses on designing, deploying, and maintaining hybrid on-premise and multi-cloud networks in a high-security environment.

The position requires deep knowledge of network devices (routers, switches, firewalls, DNS) and cybersecurity principles, with emphasis on risk management and incident response. U.S.

Qualifications

• IT-related experience showing four core competencies.
• At least 1 year of qualifying experience.
• Experience with network design and multi-cloud architectures.
• Experience with vendor technologies including Juniper, Cisco, Palo Alto, F5, DNS/Infoblox.

Responsibilities

• Gathers infrastructure requirements to design, deploy, and implement solutions across hybrid on-premise and cloud environments.
• Configures, installs, tests, and maintains network devices (routers, switches, firewalls, load balancers, DNS).
• Monitors network performance, diagnoses connectivity issues, and applies patches to mitigate vulnerabilities.
• Integrates new systems into existing network architecture and provides feedback on design and requirements.
• Applies cybersecurity principles and risk management to protect against malware and threats.

Skills

Attention to Detail

Customer Service

Oral Communication

Problem Solving

Network Design

Multi-cloud

Juniper

Cisco

Palo Alto

F5 Load Balancers

DNS/Infoblox

Tools

Juniper Networks

Cisco IOS

Palo Alto Firewalls

F5 BIG-IP

Infoblox DNS

Job description

Defense Information Systems Agency (DISA) seeks a Senior Network Engineer within the Cyber Excepted Service to support mission-critical infrastructure. The role focuses on designing, deploying, and maintaining hybrid on-premise and multi-cloud networks in a high-security environment.

The position requires deep knowledge of network devices (routers, switches, firewalls, DNS) and cybersecurity principles, with emphasis on risk management and incident response. U.S.