Overview

Tantus Technologies, Inc. (Tantus) - recognized by the Washington Post as a Top Workplace - is seeking a Sr. Network Engineer. You will provide technical guidance and demonstrate leadership to one of our program's engineering teams. You will lead complex, time-sensitive projects and serve in Tier 3 engineering support role for the enterprise data network platforms, performing various activities such as but not limited to troubleshooting, performance issues and performing break-fix network changes. You will be the go-to for advanced engineering projects and drive technical resolution of High-Severity & Low Severity Incidents and will provide direct support of Problem Management process, including Post-Mortem participation and presentations. You will help govern device remediation and Operational Resiliency activities. 

* Must be a United States Citizen and able to obtain a Public Trust. *

* This is a hybrid position in Washington, DC. * 

What You'll Do

• Be the network technical lead on high-priority on-prem, hybrid, and cloud projects
• Complete assigned tasks independently, and as part of a larger project team
• Plan, implement, configure and maintain network infrastructure route/switch device operating systems, determine hardware specifications, and validate system performance
• Work within Azure and the data center, collaborating with other engineers to develop strategies and plans in support of migration efforts and maintaining networking across a hybrid environment
• Document and transfer knowledge to fellow staff through training, coaching and mentoring
• Execute performance tuning, operational process development, and security configuration management in accordance with best practices, standards, and procedures
• Operate and maintain network infrastructure devices including, but not limited to patching, system upgrade, backup, and system configuration
• Support analysis, triage and break/fix of infrastructure system-related trouble tickets
• Conduct root cause analysis to determine the real or underlying cause of an incident to prevent future recurrences
• Support management reporting requirements
• Document and update systems architecture diagrams using Microsoft Visio
• Coordinate with the team to develop and maintain proper processes, procedures, security, and system documentation according to industry best practices and regulatory requirements
• Help evaluate new technologies and solutions to enhance the IT environment to serve strategic and tactical business objectives
• Track and ensure awareness of Cisco and M365 roadmaps, new tools and capabilities, and recommend their potential use within the organization
• Design, configure and maintain services and environments in compliance with Federal security requirements, including implementing security baselines

Required Knowledge and Skills

• Bachelor’s degree in engineering, computer science or in information technology, or equivalent experience
• 10 years’ experience supporting network infrastructure projects within a complex, multi-vendor environment
• 7 years demonstrated experience in designing and implementing network supporting datacenter system virtualization, application load balancing, application hosting, application acceleration
• 7 years of enterprise and campus networking includes but not limited Cisco Switches and Routers, Cisco ISE, 802.1x, LAN, Remote Access VPN
• Experience supporting networks running Cisco UC and/or MS Teams VoIP systems
• Extensive knowledge of and hands-on experience with:
  • Cisco ACI
  • Firewall management and configuration, with and understanding of network security and defense-in-depth strategies
  • Understanding of high-availability design including replication and load balancing
  • IPSEC and SSL VPNs
• Federal IT regulatory compliance experience
• Exceptional work ethic and time management skills
• Ability to work well both independently and part of a team
• Strong written and verbal communication skills and a commitment to customer service

Abilities

• Excellent customer service skills with a customer service focus, and strong interface/communication skills
• Excellent written and verbal communication skills
• Technical leadership
• Working knowledge of system hardening (STIGs, SRGs, regulatory compliance)
• Knowledge and understanding of Cisco VPN & Zscaler ZIA and ZPA, Cisco ACI
• Expert troubleshooting skills
• Have supported networks running Cisco UC 
• Some limited travel required (< 5%)
• Must be available for off-hours work and participate in rotating on-call responsibilities

Nice to Haves

• CCNA, CCNP or CCIE Data-center Routing and Switching certification
• Strong experience directly related to cloud networking (Azure, AWS, OpenStack, VMware), SD-WAN, SDN (software defined network)
• CompTIA Security
• ITIL or other IT operations knowledge and experience. 
• Understanding of SAFe Agile, Jira and Confluence
• Understanding of ITIL processes and integration into enterprise IT Services team
• Understanding of virtual networking and NSX concepts