Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior UC & VTC Systems Administrator

Peraton

Minimum of 8 years with BS/BA; Minimum of 6 years with MS/MA; Minimum of 3 years with PhD, 12 years work experience w/o a BS/BA Active DoD Secret Clearance 2 years VoIP & VTC System Administration Peraton is seeking a Network Services Administrator The Senior Unified Capabilities SME of operation, security, and lifecycle management of enterprise VoIP and VTC systems, ensuring high availability, resilience, and compliance across the Unified Capabilities environment. This role serves as the senior technical authority for UC services, coordinating closely with network engineers, government stakeholders, RCC leadership, and vendors to translate mission requirements into stable, scalable, and secure UC solutions. The SME drives modernization, oversees complex incident response, manages system resources, and ensures that all UC platforms meet operational, performance, and security standards.Core Responsibilities Unified Capabilities Leadership — Serve as the senior SME for VoIP and VTC services, ensuring stable, secure, and mission‑ready UC operations. VoIP & VTC System Administration — Operate, maintain, secure, and update enterprise VoIP and VTC platforms to ensure service integrity and high availability. Lifecycle & Configuration Governance — Lead software upgrades, patching, configuration governance, and failover planning to maintain continuity of service. Incident & Escalation Management — Provide senior‑level troubleshooting and escalation support for complex UC incidents, balancing immediate restoration with long‑term architectural stability. System Resource Monitoring — Monitor system performance, resource utilization, and response times to maintain optimal operating efficiency. Security & Compliance Enforcement — Apply patches, perform vulnerability scans, maintain security documentation, and ensure compliance with all security policies. Documentation & Architecture — Maintain system diagrams, configuration baselines, capability documentation, and security settings for all UC systems. Stakeholder & Vendor Coordination — Act as the primary technical interface with government customers, RCC leadership, and vendors, providing operational updates and risk reporting. Change & Service Request Management — Process incident tickets, service requests, and change requests while ensuring minimal service disruption. Performance & Trend Analysis — Conduct availability monitoring and trend analysis to identify issues, optimize performance, and guide future improvements. Infrastructure Improvement — Recommend enhancements to UC infrastructure, including hardware, software, and architectural changes. Procurement & Resource Planning — Provide recommendations for hardware/software purchases and coordinate installation and backup recovery strategies. Critical Incident Notification — Notify government stakeholders of any high‑impact incidents affecting mission‑critical UC services. #J-18808-Ljbffr Peraton

Vacancy posted 21 hours ago
Similar jobs that could be interesting for youBased on the Senior UC & VTC Systems Administrator in Phoenix, AZ vacancy
  •  ...Job Title Senior: Skills equivalent to 6-10 years in a comparable position. Responsible for maintaining the computer systems, server management including installing, maintaining, and upgrading the servers. Will ensure the servers are backed up, and that the server... 
    Senior

    Samprasoft

    Phoenix, AZ
    21 hours ago
  • $126.86k - $137.27k

     ...Senior Spirnet System Administrator Put your engineering talent to the ultimate test. At General Dynamics Mission Systems, we create the technologies, products and services that help our service members, intelligence analysts and first responders keep our nation safe... 
    Senior
    Remote work
    Flexible hours

    General Dynamics

    Scottsdale, AZ
    3 days ago
  •  ...Senior Systems Administrator Phoenix, Arizona, United States About the Job The position duties include: Working closely with other IT teams including Information Security, Service Desk, Quality Assurance, Production Support and product vendors to plan,... 
    Senior
    Full time
    Contract work
    Temporary work
    Remote work

    5 Star Global Recruitment Partners

    Phoenix, AZ
    1 day ago
  • $84k - $111k

     ...Overview The Senior Systems Administrator is responsible for the configuration, maintenance, support, and ongoing optimization of the organization's business application portfolio. This role will play an integral part in implementing solutions that address complex... 
    Senior
    Contract work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Concorde Career Colleges

    Phoenix, AZ
    21 hours ago
  • $126.86k - $137.27k

     ...ultimate test. At General Dynamics Mission Systems, we create the technologies, products...  ...of server services by performing server administration for physical and virtual server operating...  ...with focus on server and services Senior level knowledge of physical and virtual... 
    Senior
    Work experience placement
    Remote work
    Flexible hours

    General Dynamics Mission Systems

    Scottsdale, AZ
    6 days ago
  • $115k - $120k

     ...Senior System Administrator Job Locations US-AZ-Phoenix | US-CO-Lakewood | US-Loveland, CO | US-CA-Folsom ID 2026-4408 Category Information Technology Type Full Time Overview Edgewater Federal Solutions is seeking... 
    Senior
    Full time
    Contract work
    Flexible hours

    Edgewater Federal Solutions

    Phoenix, AZ
    3 days ago
  •  ...Senior Cloud System Administrator Job ID 2026-8373 Category Technical/Engineering Job Location US-AZ-Scottsdale Overview This is more than a job. It's a chance to build, grow, and make a real impact! Join our global infrastructure team... 
    Senior
    Worldwide
    Flexible hours

    Axway

    Scottsdale, AZ
    4 days ago
  • TechDigital Group is looking for an experienced IBM i (IBMi) System Administrator to enhance our critical IBM i environment integrated with AIX/Power Systems. You'll be responsible for system reliability, performance, and security across our environments. Key qualifications... 
    Senior

    TechDigital Group

    Phoenix, AZ
    2 days ago
  • DPR Construction is looking for a System Administrator in Phoenix, Arizona, to enhance business operations through technology support. This role focuses on managing service requests, resolving incidents, and administering Microsoft cloud solutions. The ideal candidate... 
    Senior
    Work at office

    DPR Construction

    Phoenix, AZ
    21 hours ago
  • Encore Vet Group in Phoenix, Arizona is seeking a System Administrator (Systems) III. This role demands extensive experience in supporting various operating systems, including VMware and Storage systems. Responsibilities include leading installation, configuration, and... 
    Senior

    Encore Vet Group

    Phoenix, AZ
    4 days ago
  • A leading IT solutions provider based in Phoenix, Arizona is seeking a skilled personnel to configure and support Team Foundation Server (TFS) 2015 and SharePoint Online. Responsibilities include documenting processes and troubleshooting, along with collaborating with the...
    Senior

    vTech Solution, Inc.

    Phoenix, AZ
    2 days ago
  •  ...Senior Network & Systems Administrator Player 15 Group – the sports & entertainment brand behind the Phoenix Suns (NBA), Phoenix Mercury (WNBA), Valley...  ...environments including routing, switching, and UCS FlexPod infrastructure Manage VMware ESXi and vSphere... 
    Senior
    Full time

    Phoenix Suns

    Phoenix, AZ
    9 days ago
  • $115k - $120k

    A federal IT solutions provider is seeking a Senior System Administrator to join their team in Phoenix, AZ. The role involves managing and optimizing IT infrastructure, including Windows and Linux systems, virtual environments, and Microsoft 365 services. Candidates must... 
    Senior

    Edgewater Federal Solutions

    Phoenix, AZ
    4 days ago
  • A leading tech services company is seeking an experienced System Administrator in Scottsdale, AZ. The role demands over 7 years of expertise in Python and involves supporting server, storage, and database migrations. Additional responsibilities include documenting changes... 
    Senior

    Globalchannelmanagement

    Scottsdale, AZ
    1 day ago
  • $115k - $120k

    Edgewater Federal Solutions, Inc. is seeking a Senior Systems Administrator in Phoenix, AZ, responsible for managing IT operations, including Windows and Linux systems, virtualization, and cloud platforms. Key tasks include enhancing system reliability, implementing automation... 
    Senior

    Edgewater Federal Solutions, Inc.

    Phoenix, AZ
    1 day ago
  • Innate Healthcare Institute is looking for a Senior Stem Cell Biologist in Phoenix, AZ. The candidate will be responsible for isolating and expanding umbilical cord-derived mesenchymal stem cells (UC-MSCs) and must have direct, hands-on experience with UC tissue processing... 
    Senior

    Innate Healthcare Institute

    Phoenix, AZ
    21 hours ago
  •  ...Systems Administrator/SR Position Details: Job Title: Systems Administrator/SR Location: Phoenix AZ 85007 Duration: Long Term Job Description: • Configure and support off the shelf Team Foundation Servicer (TFS) 2015 and SharePoint online (O365) (75%)... 
    Senior

    vTech Solution

    Phoenix, AZ
    4 days ago
  •  ...Systems Administrator/SR IDEALFORCE has a CONTRACT position available immediately for a Systems Administrator/SR to join our customer in Phoenix Arizona. This is an ONSITE position. Please find below additional details about this job. Kindly respond with your most up... 
    Senior
    Contract work
    Local area
    Immediate start

    Idealforce

    Phoenix, AZ
    29 days ago
  •  ...divh2Systems Administrator/SR/h2pIDEALFORCE has a Contract position available immediately for a Systems Administrator/SR to join our customer in Phoenix, AZ. Please find below additional details about this job. Client prefers LOCAL CANDIDATES for this role. Kindly respond... 
    Senior
    Contract work
    Local area
    Immediate start

    Idealforce

    Phoenix, AZ
    2 days ago
  •  ...The Systems Administrator, Senior manages and optimizes complex enterprise infrastructure spanning Windows and Linux servers, VMware environments, and cloud services that support mission-critical government systems. The role leads major changes, automation, and incident... 
    Senior
    Contract work
    Work at office

    ASM Research, An Accenture Federal Services Company

    Phoenix, AZ
    1 day ago
  •  ...divh2Systems Administrator/SR/h2pContract position available immediately for a Systems Administrator/SR to join our customer in Phoenix, AZ. This is an ONSITE position. Please find below additional details about this job. Kindly respond with your most up to date resume... 
    Senior
    Immediate start

    Idealforce

    Phoenix, AZ
    4 days ago
  •  ...divh2Sr. Systems Administrator/h2pIDEALFORCE has a contract position available immediately for a Sr Windows Administrator to join our customer...  ...local candidates are considered./ph3Job Description/h3pThe Senior Systems Administrator Consultant, under direct supervision of... 
    Senior
    Contract work
    Work at office
    Local area
    Immediate start

    Idealforce

    Phoenix, AZ
    2 days ago
  •  ...Sr. Systems Administrator IDEALFORCE has a contract position available immediately for a Sr Windows Administrator to join our customer in...  ...local candidates are considered. Job Description The Senior Systems Administrator Consultant, under direct supervision of... 
    Senior
    Contract work
    Work at office
    Local area
    Immediate start

    Idealforce

    Phoenix, AZ
    4 days ago
  • $126.86k - $137.27k

     ...Responsibilities for this Position Senior SPIRNet System Administrator ID: 2026-72697 US-AZ-Scottsdale Required Clearance: Secret Posted Date: 5/29/2026 Category: Information Technology Employment Type: Full Time Hiring Company: General Dynamics... 
    Senior
    Full time
    Work experience placement
    Remote work
    Flexible hours

    GD Mission Systems

    Scottsdale, AZ
    7 days ago
  •  ...IT professional in Phoenix, Arizona to support customer-facing applications. You will manage change processes, perform server administration, and develop supportive technologies, all while enjoying competitive benefits, including travel perks and health coverage. Successful... 
    Senior

    American Airlines

    Phoenix, AZ
    3 days ago
  • $99.3k - $158.69k

     ...The Patch Management Specialist, Senior oversees enterprise patch management strategy and execution for desktops, laptops, and remote...  ...timelines, and risk reduction, using them to drive accountability with system owners. Required Qualifications Bachelor's degree in IT,... 
    Senior
    Contract work
    Work at office
    Remote work

    ASM Research, An Accenture Federal Services Company

    Phoenix, AZ
    1 day ago
  • Silversmith Capital Partners is seeking a Senior Salesforce Administrator to join our agile team in Arizona. This role involves working on Health Cloud, Experience Cloud, and Sales Cloud modules, focusing on innovative solutions for patients and providers. As part of your... 
    Senior

    Silversmith Capital Partners

    Phoenix, AZ
    21 hours ago
  • Player 15 Group, located in Phoenix, AZ, is seeking a Senior Network & Systems Administrator to enhance their Enterprise Technology team. The role requires advanced skills in Cisco networking, VMware, and network security, as well as a strong grasp of systems administration... 
    Senior
    Full time

    Player 15 Group

    Phoenix, AZ
    1 day ago
  •  ...leading construction project controls software company is seeking a Senior Salesforce Platform & Revenue Analytics Lead in Phoenix,...  ...and revenue analytics strategies, with a hands-on approach to administration and optimization. The ideal candidate will have over 5 years of... 
    Senior
    Remote work
    Flexible hours

    InEight

    Phoenix, AZ
    12 days ago
  • Gould Intelligent is seeking a Sr. IT Help Desk Administrator for a contract position in downtown Phoenix, Arizona. The ideal candidate must have at least 3 years of IT experience and an Associates Degree, along with proficiency in Active Directory, DNS, DHCP, Office 36... 
    Senior
    Contract work
    Work at office

    Gould Intelligent

    Phoenix, AZ
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior UC & VTC Systems Administrator. Be the first to apply!