Job Title:

Lead Network Engineer Location:

Onsite, Rockville, MD Duration:

Contract Job Summary:

Serve as a hands-on senior engineer on enterprise network team, working with the technical lead, project managers and stakeholders. Design, plan, implement and maintain enterprise LAN/WAN, Zscaler and network security infrastructure, including routers, switches, firewalls and remote access systems. Configure and manage Cisco ASA / Firepower and Palo Alto (Panorama) firewalls, Cisco switches and remote access systems for secure, scalable operations. Implement and support RSA Secur

ID / RSA

Authentication Manager integrated with VPN, RADIUS and LDAP, and Cisco Identity Services Engine (ISE). Troubleshoot complex network, VPN and authentication issues using Wireshark packet captures, SolarWinds, Riverbed, Grafana and Cribl. Design, implement and troubleshoot IPv4 and IPv6 network architectures; manage Azure network security groups (NSGs). Perform Cisco switch and firewall software upgrades, vulnerability remediation and TLS certificate renewals during scheduled maintenance windows under change management. Maintain network-security SOPs, network diagrams and technical documentation, support backup, recovery and federal and HHS policy compliance. Support network upgrades, technology refresh and new-technology evaluations, and assist with hardware, software and vendor procurement.

Required Qualifications:

Bachelor s degree or an equivalent combination of education and experience. 10+ years of network engineering experience in federal or enterprise-level IT environments. Cisco

ASA 5500

/ Firepower firewalls (required); Palo Alto firewalls managed with Panorama. Expert Cisco switching, including network software upgrades; LAN/WAN routing and switching; IPv4 and IPv6. Expert troubleshooting of complex network issues, including packet-capture (PCAP) analysis with Wireshark. Zscaler, Cisco IPsec VPN troubleshooting and Cisco Identity Services Engine (ISE). RSA Secur

ID / RSA

Authentication Manager and network authentication protocols (RADIUS, LDAP). Azure networking with network security groups (NSGs). SolarWinds, including automation scripts; Riverbed, Grafana or Cribl for monitoring and troubleshooting. Vulnerability remediation, TLS certificate renewal and installation, and change management processes. Writing, maintaining and implementing network-security SOPs and technical documentation (required). Willing to work onsite after hours and on weekends for maintenance windows and to take part in the on-call rotation (required). Strong problem-solving, communication and organizational skills. Able to pass a Public Trust (NACI / Tier 1) investigation; must have lived in the U.S. at least 3 of the last 5 years.

Preferred Qualifications:

Experience supporting any federal civilian agency networks. CCNP, Palo Alto PCNSE, Zscaler or Cisco ISE certifications. NetScaler / Citrix ADC exposure. About our

Company:

- 22nd Century Technologies, Inc., is one of the fastest growing IT Service Integrator and Workforce Solution companies in the United States. Founded in 1997, 22nd Century Technologies is a Certified National Minority Business Enterprise with 6,000+ people including 600+ Cyber SMEs nationwide supporting our customers in all 50 states, Canada, and Mexico. With HQs in Somerset, NJ and Mclean, VA, 22nd Century has 14 offices throughout the United States. As part of our unrelenting focus on quality and compliance, 22nd Century Technologies delivery is based on Certified Matured Processes including CMMI L3 Dev & SVC, ISO 20000, ISO 27001, and

ISO 9001

quality processes. With a strong focus on the public sector, 22nd Century currently holds government contracts with 14 out of 15 Federal Executive agencies including DoD, 37 other Federal agencies, 50 States, 115+ Local agencies, and 37 School Districts. In the last three years, we have expanded our services to Fortune 500 and other commercial clients and currently support 80+ commercial clients. Recognized among Best Company to Work For by Forbes, 22nd Century Technologies, Inc., consistently exceeds our clients expectations by focusing on their absolute satisfaction with jobs while keeping our employees motivated. 22nd Century Technologies is an Equal Opportunity Employer" and s & all other parties authorized to work in the US are encouraged to apply." All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status.