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SierTeK proudly serves our clients by providing expertise in the Program Management, Information Technology, and Administrative Support domains. Founded in 2007 as a minority and service-disabled veteran-owned company, we serve as prime- and subcontractor for a multitude of Federal Department of Defense contracts. By focusing on continual improvement, our services remain at the forefront of our industry, and we pride ourselves on delivering our services with the highest degree of integrity.SierTeK Ltd. is seeking a LAN VoIP Network Specialist II Senior to support an opportunity at Joint Base Andrews, MD.POSITION OVERVIEW SECTIONThis position is a LAN VoIP Network Specialist II Senior providing voice systems maintenance and support for the 844th Communication Group (CG). This includes install, configure, administer, manage, maintain/update and provide maintenance and operational support for the Cisco Unified Communications Manager (CUCM) and its components. Must have an understanding of enhanced 911 systems, Defense Information Systems Agency Unified Capabilities Requirements, and Time Division Multiplexing (TDM).Essential Job FunctionsProvide Tier 2 and Tier 3 support for Voice systems.Ensure the entire voice solution complies with all DISA STIGs and AF TCNOs by implementing firmware, software and hardware changes as necessary.Install, configure, administer, manage, maintain/update and provide maintenance and operations support for the Cisco Unified Communication Manager (CUCM) and its components.Deliver comprehensive customer IT support to include but not limited to transitioning (i.e., moves, adds and changes), operating, maintaining, restoring, protecting, backups and refreshing CUCM telephony including all associated infrastructure systems, components, and data as well as administration of listed systems and components.Ensure that all components of the CUCM systems to include but not limited to Servers, Unity Messaging System, Databases, Physical phones, Soft Clients, Operating systems, Gateways, Switches, Routers, Firmware, Software and Hardware are kept updated to meet or exceed all industry standards and are fully functional.Provide emergency voice LAN troubleshooting assistance within 30 minutes of notification either by phone or in person and troubleshoot and resolve any emergency voice outage within two (2) hours of notification.Provide routing network troubleshooting and maintenance within the guidelines of the Government's Authorized Service Interruption (ASI) process.Prepare and maintain project planning documentation, create and maintain LAN/voice network maps/diagrams and presentation material and input all relevant information into network monitoring tools (e.g., Cisco Prime Infrastructure, Solar Winds).Conducting research and load any applicable software, hardware, or firmware updates to voice equipment and physically and virtually install new equipment.Use Government provided ticket system to process, log and close out trouble tickets, change requests and work-orders.Support traditional telephony (time division multiplex switching, Nortel circuit-based switches, ISDN trunking, Channel-Associated Signaling (CAS) trunking, Defense Switched Network (DSN) operations including multi-level precedence and preemption (MLPP) and Post Branch Exchange (PBX) knowledge.Integrate all relevant voice services including but not limited to conference call hosting capabilities, voicemail, Call Center Capabilities, Emergency 911 services, Dynamic Host Configuration Protocol (DHCP), T-Metrics, voicemail, and DSN access with the CUCM.Ensure all voice equipment complies with all AF Enterprise CM Policies and listed on all relevant inventories.Support decommissioning of legacy telephony/Time Division Multiplexing (TDM) technologies and migration to IP-based telephony.Provide training, as requested.Minimum Position Requirements:5+ years of relevant experience in network administration in a network/voice support environment.Secret Security ClearanceSecurity+ CertificationCisco Certified Network Professional (CCNP) with Voice Over IP experience (CCNP Voice or Collaboration) and maintain valid CCNP credentials.SierTeK is an equal opportunity employer and values diversity. Employment is decided based on qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation.This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.If you need assistance or an accommodation due to a disability, you may contact us at 1+833.743.7835. #J-18808-Ljbffr