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Senior Network Security Engineer

Job in Johnson City, Washington County, Tennessee, 37603, USA
Listing for: Jobtailor
Full Time position
Listed on 2026-08-16
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
  • Engineering
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 120000 - 180000 USD Yearly USD 120000.00 180000.00 YEAR
Job Description & How to Apply Below

Job Responsibilities

  • Maintain data network hardware and systems, including Azure and Cisco on-premise networks
  • Investigate and resolve significant network and hardware issues
  • Research, analyze, isolate, and resolve errors
  • Assess and evaluate current and future systems
  • Monitor the IPS system for network intrusions and respond to incidents
  • Keep IPS systems and signatures up to date
  • Design on-premises and Azure Government cloud networks according to project requirements and architectural principles
  • Develop and monitor key network metrics for IT reviews, reporting, and monitoring
  • Implement VPN, firewall-rule, and web-filtering changes
  • Perform hardware and software upgrades for Cisco switches, Check Point firewalls, and F5 load balancers
Requirements
  • 5+ years designing, building, and operating networks
  • 5+ years of Check Point security experience
  • 5+ years of Cisco networking experience
  • 10+ years in IT
  • Bachelor's degree in Information Technology, Information Security, or equivalent
  • Four additional years of experience in network security engineering may substitute for the degree
  • Cisco Certified Network Associate (CCNA)
  • Cisco Nexus and Catalyst switches experience
  • Check Point firewalls and intrusion prevention experience
  • F5 load balancers experience
  • Microsoft Azure networking, including virtual networks, routing, subnets, Express Route, VPN, and Network Security Groups
  • Knowledge of routing, VLAN, subnetting, load balancing, TCP/IP, DNS, HTTP, TLS, and SSH
  • Script experience with Power Shell, Python, Bash, or similar is a plus
  • Must be a US citizen
  • Must be able to obtain and maintain Tier 3/Level II IT Security Clearance
  • English required; any second language preferred
  • Ability to analyze and solve problems
  • Ability to manage multiple competing demands
  • Comfortable with ambiguity
  • Self-starter and goal/results focused
  • On-call/after-hours support as needed
Core Competencies

Demonstrates extensive experience in designing, building, and operating networks, with a strong focus on Cisco and Check Point technologies. Proficient in Microsoft Azure networking and capable of implementing security measures and monitoring network performance.

Highest-signal resume keywords
  • Cisco Networking Experience
  • Check Point Security Experience
  • Microsoft Azure Networking
  • Network Security Engineering
  • Cisco Certified Network Associate (CCNA)
ATS Optimization Keywords Hard Skills
  • Network Design
  • Network Hardware Maintenance
  • VPN Implementation
  • Firewall Configuration
  • Intrusion Prevention Systems
  • Load Balancing
  • Scripting (Power Shell, Python, Bash)
  • Routing
  • VLAN
  • Subnetting
Soft Skills
  • Problem Solving
  • Time Management
  • Self-Starter
  • Goal/Results Focused
  • Comfortable with Ambiguity
Certifications & Qualifications
  • Cisco Certified Network Associate (CCNA)
Industry Keywords
  • Network Security
  • IT Security Clearance
  • Network Metrics
  • Incident Response
  • IT Infrastructure
Tools & Technologies
  • Cisco Switches
  • Check Point Firewalls
  • F5 Load Balancers
  • Azure Government Cloud
  • IPS Systems
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Position Requirements
10+ Years work experience
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