Principal Technician (Digital Infrastructure)

DEFTEC Corporation • Chesapeake, VA

2d

About The Position

A technical role responsible for designing, implementing, and maintaining enterprise network infrastructure including WAN/LAN systems, routers, switches, firewalls, and security equipment. The position involves configuring and monitoring network performance, troubleshooting infrastructure issues, conducting system integration testing, and ensuring compliance with security standards. Additional responsibilities include training technical personnel, maintaining cryptographic equipment, automating routine tasks through scripting, and collaborating across teams to support mission-critical operations. This role requires hands-on experience with multi-vendor networking environments (Cisco, Dell), network monitoring systems, and VoIP infrastructure, along with strong analytical and problem-solving skills in a secure, operational environment.

Requirements

• NATO Secret security clearance
• Higher vocational training in a relevant discipline with 3 years post-related experience. Or a secondary educational qualification with 5 years post-related experience.
• At least 3 years' experience in the implementing, and managing the underlying technology, software and hardware WAN/LAN components that ensure the smooth functioning of switches, routers, firewalls, network systems, monitoring systems, crypto and security systems.
• Practical experience troubleshooting infrastructure related issues, perform regular maintenance.
• Adequate communication and interpersonal skills.
• Good analytical skills and solution-oriented attitude.

Nice To Haves

• Practical experience in network configuration, analysis, integration, testing, implementation and support.
• Knowledge of operating network authentication and authorization systems and technologies (e.g.802.1x, ISE, RADIUS, TACACS+).
• Practical experience in the deployment, use and configuration of Cisco Prime.
• Knowledge and experience of configuration, operation and management of Voice over IP (VoIP) infrastructure (e.g. CUCM).
• Prior experience in the management of technical teams/personnel.
• Minimum 3 years' experience of multivendor (e.g. Cisco, Dell) Routing (WAN) and Switching (LAN), as well as Enterprise environments.
• A minimum of 3 years' experience with the configuration and operation of Network Monitoring and Event Management systems (e.g. Spectrum, Splunk).
• Knowledge and experience of implementing and operating WAN and LAN technologies within an Enterprise and Services Provider network.
• General understanding of related telecommunications systems and techniques of TDM, MPLS, Software Defined Networking and Access, Video, Voice and VoIP technology.
• Experience of maintaining and configuring cryptographic equipment such as TCE 621 family.
• Knowledge of IPv6 network technologies and concepts.
• Knowledge of Datacentre technologies and Virtualized Switching.
• Knowledge and experience in applying ITIL, ITU-T principles and methodologies applied to effective Service Management and Control.
• Prior experience of working in an international environment comprising both military and civilian elements.
• Knowledge of NATO responsibilities and organization, including ACO and ACT.
• ITIL Foundation certificate holder.
• Minimum qualification of an associate level Networking Professional certification (e.g. CCNA).

Responsibilities

• Systems design
• Systems integration and build
• IT infrastructure
• Establishes, monitors and conducts On-The-Job Training (OJT) to ensure all personnel are proficient in their duties.
• Ensures compliance with cryptographic security standards.
• Supervises the maintenance and installation of on-line Crypto equipment.
• Provides collaboration and assistance to other work sections within Service Operations Branch in support of mission requirements.
• Performs other duties as required.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree