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Senior Network Engineer

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Owl Cyber Defense Solutions, LLC
Full Time position
Listed on 2026-02-12
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)

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

Job Summary

The Senior Network Engineer will work with Government clients to operate and maintain Owl Cyber Defense’s Cross Domain security appliances on‑premises. The Senior Cisco Engineer will need to manage and maintain a client lab that can be used for troubleshooting purposes. This role is based at our client site in Springfield, VA. This role is 100% onsite.

The role will maintain a professional rapport with customers and endeavor to give the best possible service.

Essential Duties and Responsibilities
  • Conduct various research and analysis regarding new technology, network traffic, potential security risk, etc.
  • Assist on advanced, complex technical projects or business issues requiring state‑of‑the‑art technical or industry knowledge.
  • Assist the network architecture design and optimization for Owl Cyber Defense solutions on behalf of the Government.
  • Support technology implementations including installation, test, deployment, management, update, 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
    • CUCM 12.5 or higher
  • Integrate designs with Owl’s V2

    CDS appliance as needed.
  • Management network (KVM).
  • Environmental (racking, cabling) as needed.
  • Assist with implementing and developing test plans respective to 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 and/or vulnerability rating.
  • Apply Government required DISA STIGS and respective security controls as deemed appropriate and applicable.
  • Write clear documentation, such as Install Guides, Process Documentation & 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 of experience as Systems Deployment Engineer supporting installation and configuration VoIP systems, including configuring and troubleshooting PBX systems. Experience with XMPP chat servers and clients a plus.
  • Required Certifications (one or more):
    • 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 to include 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/Requirements:
    • Excellent oral and written communication skills to effectively operate in Government Civilian and military environments
    • Ability to travel when required (up to 20%)
    • Must have active DoD clearance Top Secret Clearance with the ability to obtain an 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, see

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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