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Senior Network Engineer

2 months ago

Laurel, Maryland, 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 security team, you will be responsible for designing, implementing, and maintaining secure network architectures and systems.

Key Responsibilities
  • Configure and troubleshoot Cisco catalyst switches, including Spanning Tree, Port Security, VTP, and VLANs.
  • Configure and troubleshoot Cisco ASR routers, including HSRP, OSPF, BGP, and route-map.
  • Configure and troubleshoot Cisco ASA firewalls.
  • Troubleshoot various DNS, SMTP, IP routing, latency, and connectivity issues.
  • Implement TCP/IP and related services, including DHCP and DNS.
  • Install and upgrade Cisco switches and firewalls (ASA) IOS using TFTP.
  • Maintain all LAN/WAN connectivity and document network problems and resolution for future reference.
  • Oversee software and network security.
  • Use Linux network troubleshooting tools to solve complex network issues, including tcpdump, ssldump, curl, wget, mtr, tcp traceroute, nmap, openssl, and tshark.
Requirements
  • Bachelor's degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university.
  • Five years of additional related experience may be substituted for a degree.
  • Minimum of fifteen (15) years' experience as a Systems/Network Engineer in programs and contracts of similar scope, type, and complexity.
  • IAT II Certification or ability to obtain within 60 days of start date.
Preferred Qualifications
  • CCNP Certification.
  • Twenty (20) years' experience as a Systems/Network Engineer in programs and contracts of similar scope, type, and complexity.
Security Clearance Requirements
  • Current/Active TS/SCI with Polygraph.