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Senior Network Engineer

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Owl Cyber Defense
Full Time position
Listed on 2026-02-14
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Job Title

Senior Network Engineer

Department

Federal Installation and Support

Reports to

Director, Federal Installation & Support

Office

Columbia, MD

Work Environment

On-site (Springfield, VA)

About Owl Cyber Defense

Owl Cyber Defense is a leader and trusted partner in cyber security, delivering solutions that protect and connect the world’s most critical networks. Our product lines of cross domain, data diode, and portable media solutions provide robust security checkpoints for threat prevention and secure data availability. We leverage expertise in security engineering at the operating system level to help government and commercial customers address evolving cyber security threats.

Job Summary

The Senior Network Engineer works with Government clients to operate and maintain Owl Cyber Defense’s Cross Domain security appliances on-premises and manages a client lab for troubleshooting. Based at the client site in Springfield, VA, this role is 100% onsite. The engineer maintains a professional rapport with customers to deliver excellent service.

Essential Duties and Responsibilities
  • Conduct research and analysis regarding new technology, network traffic, and potential security risks.
  • Assist with advanced, complex technical projects or business issues requiring state-of-the-art knowledge.
  • Assist the network architecture design and optimization for Owl Cyber Defense solutions on behalf of the Government.
  • Support technology implementations including installation, testing, deployment, management, updating, and maintenance of software and hardware.
  • Provide support for the configuration of Cisco components such as:
    Cisco ASA or NG firewalls, Cisco Catalyst switches, Cisco ISR with CUBE, and CUCM 12.5 or higher.
  • Integrate designs with Owl’s V2

    CDS appliance as needed, including management network (KVM) and environmental (racking, cabling).
  • Assist with implementing and developing test plans for the provided solution.
  • Support security controls and hardening of network components.
  • Utilize security vulnerability tools such as ACAS and SCAP to verify network components’ security posture.
  • Apply Government-required DISA STIGS and respective security controls as appropriate.
  • Write clear documentation, such as install guides, process documentation, and deployment diagrams.
  • Maintain a technical lab for pre-production testing.
  • Provide reporting to the Government client and the Owl assigned Technical Account Manager as required (daily, weekly, and/or monthly).
Requirements and Qualifications Education
  • Bachelor’s Degree in a related technical field.
Experience
  • 4‑8 years as a Systems Deployment Engineer supporting the installation and configuration of VoIP systems, including PBX troubleshooting.
  • Experience with XMPP chat servers and clients is a plus.
Required Certifications
  • CCNA‑Security
  • CySA+
  • GICSP
  • GSEC
  • Security+ CE
  • CND
  • SSCP
Desired Certifications
  • CCNP
Knowledge, Skills & Abilities
  • Proficient in primarily Linux (RHEL/CentOS).
  • Proficient in Cisco products including switches, routers, and VoIP technologies.
  • Experience implementing systems using NIST 800 series security control requirements.
  • VMware (a plus).
  • Python and Bash scripting (a plus).
  • Knowledge of Hub Spot CRM (a plus).
  • SCAP tool experience (a plus).
  • ACAS tool experience (a plus).
Additional Competencies and Requirements
  • Excellent oral and written communication skills to operate effectively in Government Civilian and military environments.
  • Ability to travel when required (up to 20%).
  • Must have an active DoD Top Secret clearance with the ability to obtain SCI. Currently held SCI is preferred.
About Owl Cyber Defense Solutions, LLC

Owl Cyber Defense Solutions, LLC is a fast‑growing cybersecurity solutions company, holding a firm leadership position in network security and secure information transfer. It is a privately‑owned US company with offices in Columbia, MD, Danbury, CT, and Morrisville, NC. For more information, visit

Owl Cyber Defense is proud to be an Equal Opportunity /Affirmative Action Employer.

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Position Requirements
10+ Years work experience
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