Sr. Network Engineer / Network Administrator

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.*

*Preference for candidates within the National Capital Region (Maryland, Virginia and Washington DC).*

What You'll Do

• Be the technical lead on high-priority network and cloud projects
• Help develop technical strategies and project plans
• Plan, implement, and maintain systems configuration
• Manage installations both on-site and remotely
• Work within Azure, collaborating with Cloud engineers to support migration efforts and maintaining a hybrid environment.
• Document and transfer knowledge to fellow staff through training, coaching and mentoring
• Configure network infrastructure device operating systems, determine hardware specifications, and validate system performance.
• 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.
• Conduct root cause analysis to determine the real or underlying cause of an incident in order to prevent future recurrences.
• Support analysis, triage and break/fix of infrastructure system-related trouble tickets.
• Produce detailed network design documents and diagrams
• Help maintain, manage, upgrade, and optimize hardware and software
• Be responsible for provisioning, installation, configuration, operation, and maintenance
• Perform routine software, hardware, firmware upgrades, patches, and fixes
• Follow configuration management procedures
• Prepare detailed technical specifications and system documentation
• Contribute to cybersecurity
• Recommend technical standards and policies
• Coordinate with vendors to troubleshoot, maintain, and implement hardware and software
• Analyze and help improve system performance
• Provide TIER II and/or TIER III support services as needed
• Conduct systems inventory and updates asset management documentation
• Document and update systems architecture drawings and server rack elevations using Microsoft Visio
• Provides technical assistance, training and system documentation for users to promote efficient operation of applications.

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 data-center 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
• In addition to Cisco IOS and Nexus experience, possess strong to advanced knowledge of security, routing / switching, carrier services, data center services and network support for VoIP systems
• Strong knowledge of the following technologies:
  • 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

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 Datacenter 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
• Experience with Cloud providers, cloud migrations and supporting a hybrid environment is desired