Senior Network Architect

2 months ago


Bloomington, Illinois, United States ManTech Full time
Job Summary

We are seeking a highly skilled Senior Network Engineer to join our team at ManTech. As a key member of our network infrastructure team, you will be responsible for designing, implementing, and troubleshooting complex network architectures.

Key Responsibilities
  • Collaborate with cross-functional teams to design and implement network infrastructure solutions
  • Translate business requirements into technical designs and specifications
  • Present proposed network designs to internal stakeholders and review boards
  • Develop and maintain network documentation and configuration management processes
  • Troubleshoot complex network issues and provide root cause analysis
  • Travel to various data centers to support network operations and maintenance
  • Perform quarterly reviews of network device access control lists and rulesets
Requirements
  • 10+ years of relevant experience in network engineering and architecture
  • 7+ years of experience with Cisco hardware configuration and maintenance
  • Strong hands-on experience in enterprise-scale network environments
  • Proficient understanding of the OSI model, TCP/IP, and subnetting
  • Proficiency with Cisco switches and Cisco ASA firewalls
  • Experience with Tier II/III level troubleshooting
  • Experience configuring various routing protocols
  • Experience building IPSec and/or MACSec tunnels
  • Strong shell scripting experience
  • High School Diploma/GED
  • Master's degree can replace 1 year of experience; and/or any relevant certification can replace 6 months of experience
Preferred Qualifications
  • Hands-on experience with Palo Alto firewalls
  • Hands-on experience with Cisco Firepower and/or Cisco ISE
  • Hands-on experience with VXLAN
Security Clearance Requirements
  • TS/SCI with Polygraph
Physical Requirements
  • Use hands to operate a computer and other office productivity machinery
  • Occasionally move about inside the office to access file cabinets and office machinery
  • Must be able to remain in a stationary position 50% of the time
  • Frequently communicate with co-workers, management, and customers
  • Constantly position self to maintain computers in the lab


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