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Senior Network Engineer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Fusion Technology
Full Time position
Listed on 2025-12-20
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Network Engineer
Job Description & How to Apply Below

Who is Fusion Technology?

Fusion Technology is a performance-driven HUBZone Small Business concern residing in the heart of the beautiful mountainsides of West Virginia, steps away from the Federal Bureau of Investigation's Criminal Justice Information Services Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology dedicates our valuable resources to providing comprehensive IT services and solutions to mission-critical US Government programs and the Intel Community.

Position Location: Chantilly, VA

Who are you?

Security-cleared Professional:

You have made it through the process of receiving a United States government security clearance - congratulations! We know you are a trustworthy intel professional because you have a Top Secret Clearance with SCI Eligibility (TS/SCI). May be asked to undergo polygraph.

Education and Experience:

You have a Bachelor's Degree in Computer Science, Software Engineering, or related field with 8+ years of experience in systems engineering or a related field. Additionally, requirements include:

  • Network hardware (Cisco, Arista, Sonic Wall)
  • Network protocols (TCP/IP, DNS, DHCP, HTTP/S)
  • Firewall configuration and management
  • Load balancer implementation
  • Software-defined networking
  • VPN technologies
  • Network security principles and practices
  • Network monitoring and troubleshooting tools
  • Network performance optimization
  • Cloud networking (AWS Gov Cloud, SC2S, C2S)
  • Containerization networking (Docker, Kubernetes)
  • Infrastructure as Code (Terraform)
  • Tunneling protocols (GRE, IPSec, SSH, SSL)
  • Cross-domain solutions
  • Network automation and orchestration
  • Dev Sec Ops  practices and tools
  • SAFe Agile methodologies
  • Nutanix strongly preferred
What You'll Be Doing:

As a Network Engineer, you will design, install, maintain, and evaluate network systems and communications. You will gather user network requirements and provide necessary technical documentation while supporting the multi-enclave environment (Unclassified, Secret, and Top Secret) that enables users to access data securely across the network infrastructure.

Key Responsibilities
  • Design, install, maintain, and evaluate network systems and communications systems
  • Gather user network requirements utilizing multiple methodologies
  • Provide necessary technical documentation, system requirements documents, and security requirements
  • Troubleshoot and resolve network issues involving various protocols, topologies, and networking hardware
  • Assist with network architecture design, feasibility, and cost studies
  • Apply technical and business experience to improve processes for deploying and maintaining network infrastructure
  • Work independently and collectively to help improve network solutions
  • Design, deploy, test, certify, and patch network components including switches, firewalls, and load balancers
  • Address interoperability issues for all features, components, and application dependencies
  • Participate in Program Increments (PIs) and Agile Release Train (ART) activities
  • Respond to and resolve critical network incidents within designated resolution timelines
What matters to you matters to us.

Fusion Technology values its employees and works hard to ensure proper care for them and their families. We desire to compensate employees in a competitive, motivational, fair, and equitable way with other employers in the marketplace. Salary is only one component of employee compensation but an integral part of recruiting and retaining qualified employees. However, at Fusion Technology, we take a comprehensive approach and consider each employee's needs to tailor a compensation plan that provides financial security and peace of mind.

Our competitive package includes a best-in-class matching 401K program, a comprehensive healthcare plan through Cigna, a competitive employer contribution to a health savings account, vision and dental plans, life insurance, short- and long-term disability, and personal leave, in addition to paid certifications and training.

Fusion Technology LLC is an Equal Opportunity Employer. We respect and seek to empower each individual and support the diverse cultures, perspectives, skills, and experiences within our workforce. Qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

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Position Requirements
10+ Years work experience
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