Network Engineer

Nightwing; Arlington (TX); On-site; USD 100,000 - 140,000; Full time

Job summary

Nightwing is seeking a motivated network engineer to implement, maintain and support the lab network infrastructure for a U.S. Government customer. The role requires DoD Secret clearance and experience with VPNs, VDI (Citrix/VMware), and secure network design.

Candidates should have 5+ years in network administration, proficiency with Linux/Unix and MacOS, and be able to collaborate across physical locations. HS diploma with extensive experience or a BS in a related field are acceptable paths.

Qualifications

• 5+ years of directly relevant experience in network administration/engineering.
• Active clearance or ability to obtain DoD clearance; DHS Suitability may be required.

Responsibilities

• Design and implement infrastructure solutions to support mission execution.
• Integrate new technologies within lab environments and refine SOPs.
• Assess network topology, security vulnerabilities, and recommend hardening measures.
• Provide user support for VPNs, Citrix VDIs, and MacOS/iOS platforms.
• Troubleshoot a broad range of network issues from basic to complex.
• Configure routers, switches, firewalls, and perform IP audits.
• Maintain robust network environments and update devices as needed.
• Ensure security and access controls with continuous monitoring.

Skills

US Citizenship

DoD Secret clearance

TS/SCI preferred

DHS Suitability

5+ years network administration

Linux/Unix

MacOS

Routers/Switches/Firewalls

VPNs

Citrix

VMware

Collaboration across locations

Education

BS in Computer Science / Computer Engineering / Computer Information Systems / Computer Systems Engineering or related degree

HS Diploma + 7+ years relevant experience in network administration/engineering/systems administration

Tools

Citrix

VMware

Cisco Intersight

vCenter

Palo Alto

NetApp storage

Job description

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernisation. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defence, civil, and commercial markets.

Nightwing is supporting a U.S. Government customer to provide support for on‑site incident response to civilian Government agencies and critical asset owners who experience cyber‑attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterise the severity of breaches, develop mitigation plans, and assist with the restoration of services. Nightwing is seeking 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 optimise infrastructure.
• Secure network systems through policy enforcement, access controls, and continuous monitoring.

Required Skills

• U.S. Citizenship
• 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/optimisation
• 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.

Desired Certifications

• Sec+
• Network+
• CCNA

Nightwing is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.