Network Engineer III

Base One Technologies; Arlington, Northern (VA, KY); Hybrid; USD 110,000 - 160,000; Full time

Job summary

Base One Technologies seeks a motivated network engineer to design, implement, and support lab network infrastructure in Arlington, VA. The role emphasizes security, SOP development, and cross‑team collaboration across physical locations.

You will manage VPN/VDI, storage, and network devices, while enforcing standards and optimizing performance. A DoD clearance and virtualization experience are highly valued.

Qualifications

• Active DoD Secret clearance required; TS/SCI preferred
• Must be able to obtain DHS Suitability
• 5+ years of directly relevant network administration experience
• Proficiency with Linux/Unix and MacOS
• Strong knowledge of routers, switches, firewalls, and VPNs
• Experience with networking and network administration
• Experience with virtualization (Citrix, VMware)
• Ability to work collaboratively across physical locations

Responsibilities

• Design and implement infrastructure solutions for mission support
• Integrate new technologies in lab environments and develop SOPs
• Assess networks, identify vulnerabilities and apply security best practices
• Provide VPN/VDI (Citrix) and MacOS/iOS user support
• Troubleshoot a broad range of network issues
• Implement access controls, monitor performance and backups
• Diagnose storage issues across LAN/WAN and support replication
• Configure devices, update networks and conduct IP audits
• Ensure optimal performance and enforce standards
• Hardening and monitoring of network security measures

Skills

Active DoD clearance

5+ years experience

Linux/Unix

MacOS

Routers/Switches/Firewalls/VPNs

Citrix/VMware

Cross-location collaboration

Education

BS in Computer Science/Engineering/IS or related

HS Diploma + 7+ years experience

Tools

Palo Alto firewalls

Cisco switches

FlexPod

NetApp storage

Cisco Intersight

vCenter

VMware

Job description

Our customer is looking for a motivated network engineer to implement, maintain and support the lab network infrastructure.

Responsibilities:

• Leverage advanced analytical and technical skills to design and implement infrastructure solutions that enhance mission execution and support command decision-making.
• Support the integration of new technologies and equipment within lab environments, including development and refinement of standard operating procedures (SOPs) and policies.
• Assess network topology and device configurations, identify critical security vulnerabilities, and recommend security best practices.
• Provide user support for Virtual Private Networks (VPNs), Virtual Desktop Infrastructure (VDI) such as Citrix, as well as MacOS and iOS platforms.
• Troubleshoot and resolve a broad range of technical issues, from basic to complex network problems
• Implement granular access controls, monitor system performance and accessibility, establish and maintain backup protocols, and ensure system security.
• Diagnose and resolve complex enterprise storage issues across local and wide area networks, including replication strategy support and remediation of storage-related incidents.
• Design, build, and maintain robust network environments by configuring routers, switches, and firewalls, as well as updating network devices and performing IP address audits.
• Ensure optimal network performance by troubleshooting issues, enforcing system standards, and collaborating with stakeholders to optimize infrastructure.
• Secure network systems through policy enforcement, access controls, and continuous monitoring.

Required Skills:

• Must have an active DoD Secret clearance, TS/SCI clearance is preferred
• Must be able to obtain DHS Suitability
• 5+ years of directly relevant experience in network administration
• Proficiency with multiple operating systems, including Linux/Unix and MacOS
• Strong knowledge and experience with routers, switches, firewalls, and VPNs
• Experience and knowledge of networking and network administration
• Skilled in working with virtual desktop environments (Citrix, VMware)
• Must be able to work collaboratively across physical locations

Desired Skills:

• Familiarity with Palo Alto firewalls and Cisco switches
• Experience with converged infrastructure solutions (e.g., FlexPod) and NetApp storage systems
• Proficiency with Cisco Intersight, vCenter, and virtualization automation/optimization
• Strong documentation skills for technical procedures and SOPs
• Capable of creating and maintaining network diagrams
• Demonstrated experience in network design, implementation, and performance tuning
• Project management capabilities and excellent time-management skills
• Expertise in hardening network devices and infrastructure for enhanced security

Required Education:

BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or HS Diploma and 7+ years network administration, network engineering or systems administration experience.