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# Infrastructure Support Specialist

- **Company:** Sienna Systems
- **Location:** Alexandria, VA, United States
- **Experience:** Experienced
- **Salary:** $70,000 - $75,000
- **Contract:** Permanent contract
- **Skills:** User Authentication, VoIP, Cisco Systems VPN Client, Virtual Private Networks (VPN), Network Security, Microsoft Visio, System Center Configuration Manager, Networking Basics, Network Connections, Office Suite, TCP/IP, Network Routers, Virtual Environment, Peripherals, Information Technology, Application Client, Server Operating Systems & Platforms
- **Published:** November 14, 2026
- **Apply:** https://www.juju.com/job/16_0287b220

## About the Role

* Able to obtain and maintain a Public Trust suitability determination
 * At least 2 years of hands-on IT infrastructure implementation experience
 * Experience with SCCM 2012 or later
 * Experience with VPN connectivity, including troubleshooting Cisco VPN router and client software
 * Experience with VoIP infrastructure
 * Strong understanding of TCP/IP and other networking principles
 * Knowledge of computer and network security systems, applications, procedures, and techniques
 * Working knowledge of incident management tools and help desk software applications
 * Familiarity with technical support practice including ticket documentation, service level agreements, statistics, and escalation processes
 * Excellent analytical, troubleshooting, and critical-thinking skills
 * Strong command of spoken and written English
 * Solid organization, presentation, and documentation ability, including Visio diagrams and as-built documentation

Preferred Qualifications:

 * Prior federal program experience or an existing federal suitability determination
 * ITIL Foundation, Network+, or Security+ certification
 * Vendor management and infrastructure lifecycle management (ITIL) experience
 * Familiarity with Section 508 accessibility standards
 * Understanding of change management, process improvement, and asset inventory principles

## Description

* Administer, configure, maintain, and troubleshoot the infrastructure supporting SNO, including server platforms, directory services, authentication services, virtual environments, network connectivity, office productivity tools, and endpoint protection.
 * Administer and maintain operational equipment including local and remote connectivity, printers and peripherals, VPN connections, and the related hardware and software.
 * Build and configure desktops and workstations for program staff.
 * Troubleshoot escalated incidents and drive them to resolution, documenting tickets against service level agreements and escalation processes.
 * Maintain infrastructure documentation including Visio diagrams, as-built documentation, asset inventory, and repeatable procedures.
 * Support change management and process improvement, providing documented changes for review.
 * Coordinate with vendors and support technology planning and infrastructure lifecycle management.
 * Collaborate with government staff and other stakeholders supporting the program.