Demo

Senior Network Engineer/Information Systems Security Manager

Fusion Innovation
Chantilly, VA Full Time
POSTED ON 9/7/2026
AVAILABLE BEFORE 10/8/2026
Job Description

FusionInnovation's recent growth has earned us a top spot in the Inc 5000 FastestGrowing Private Companies in America and in Washington Business Journal's BestPlaces to Work multiple years in a row. Our team members are passionate abouttheir work and are empowered to contribute their unique skills and perspectivesto our projects. Here at Fusion, we put people first. When you join us, youdon't just join a company, you join a family. If you are ready to be part of afun and engaging team where your innovative ideas are heard, supported, andmake ever lasting mission impacts for our Nation's most sensitive programs, youhave come to the right place.

Position Overview

Senior Network Engineer / Information Systems Security Manager (ISSM) to provide cybersecurity and network engineering support across large-scale enterprise and mission network infrastructure and information systems. The ideal candidate will bring extensive experience designing, managing, securing, and supporting complex network environments while serving as a trusted cybersecurity and technical subject matter expert. This position requires a senior-level professional who can work collaboratively across multiple offices and technical teams, communicate effectively with stakeholders, and provide leadership in identifying, managing, and mitigating cybersecurity risks.

Key Responsibilities

  • Provide senior-level cybersecurity and network engineering expertise supporting large-scale enterprise and mission network infrastructure and information systems.
  • Lead, manage, and collaborate on network engineering and cybersecurity initiatives across multiple offices and organizations.
  • Participate in technical and cybersecurity forums and communicate regularly with stakeholders, technical teams, and leadership.
  • Assess and help manage cybersecurity risks associated with enterprise network infrastructure and information systems.
  • Support the design, implementation, operation, and security of complex network environments.
  • Apply industry best practices for network architecture, security, routing, switching, firewalls, and data protection.
  • Identify cybersecurity vulnerabilities and risks and assist in developing appropriate mitigation strategies.
  • Provide technical guidance and mentorship to other network and cybersecurity professionals.
  • Serve as a technical subject matter expert and contribute to the development and standardization of network and security solutions.
  • Collaborate with mission, engineering, operations, and security stakeholders to ensure network capabilities are secure, reliable, and aligned with mission requirements.

Required Skills

  • Active Top Secret/SCI with Polygraph.
  • 10 years of relevant professional experience in network engineering, cybersecurity, information systems, or a related technical discipline.
  • Bachelor's degree in a relevant technical field is preferred.
  • An additional 4 years of relevant experience may be substituted for the degree.
  • Demonstrated experience supporting and securing enterprise-scale or mission-critical network infrastructure and information systems.
  • Strong experience with networking concepts and technologies, including:
    • OSI model
    • TCP/IP
    • MPLS
    • SONET
    • Ethernet
  • Demonstrated experience with:
    • Network routing
    • Network switching
    • Firewalls
    • Data protection
    • Enterprise network security
  • Strong communication, collaboration, and problem-solving skills.
  • Ability to work effectively across multiple offices, technical teams, and organizational stakeholders.

Desired Skills

Candidates with one or more of the following certifications are highly desirable:

  • Certified Information Systems Security Professional (CISSP)
  • Certified Information Security Manager (CISM)
  • Certified Ethical Hacker (CEH)
  • Offensive Security Certified Professional (OSCP) or equivalent

Additional Details

Fusion Innovation anticipates the annual base salary for this position will generally range from $100,000 to $215,000. Actual compensation will be determined based on several factors, including, but not limited to:

  • Years of direct applicable experience with this work and the Customer
  • Relevant education, certifications, and training
  • Contract labor category requirements, skill level, contract bill rate, and hours allocation
  • Alignment with the position's responsibilities
  • Additional specialized skills

In addition to base salary, eligible employees may be considered for discretionary bonuses and are eligible for Fusion Innovation's comprehensive benefits package, which includes medical, dental, vision, company-sponsored retirement contributions, paid leave, professional development opportunities, and other employee benefits.

Fusion Innovation is an Equal Opportunity Employer and considers all qualified applicants for employment without regard to disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. Fusion Innovation participates in E-Verify to confirm employment eligibility for all newly hired employees. If you require a reasonable accommodation to complete the application process, please contact and include your name and contact information.

Salary : $100,000 - $215,000

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