System Administrator Information Technology

Christen Reinhart

Tampa, Florida, United States

********.********@*****.*** 586-***-****

linkedin.com/in/christen-reinhart

Summary

Experienced professional with over a decade of expertise in network management, system administration, and satellite communications. Possesses a profound comprehension of IT communications principles, practices, procedures, equipment, and adept troubleshooting methods. Certified tactical and strategic network deployment specialist with a consistent record of excellence in dynamic, fast-paced environments. Acknowledged for a swift and effective response to contingencies, thriving in high-stress scenarios. Actively pursuing a responsible role to leverage technological expertise and diagnostic skills while contributing to an organization's tactical and strategic objectives.

Experience

System Administrator

Jacobs

Jul 2023 - Present (5 months)

• Ensured the reliability, availability, and optimization of Enterprise services by employing proactive monitoring and data analysis techniques. Implemented monitoring policies and standards in alignment with USSOCOM organizational goals to uphold quality of service.

• Maintained the stability, security, and performance of USSOCOM IT infrastructure. Monitored and troubleshot servers and applications to ensure optimal functionality. Thoroughly documented system information and parameters during hourly checks via One Note and escalated issues utilizing the Remedy ticketing system.

• Leveraged the Information Technology Infrastructure Library (ITIL) framework to manage the organization’s IT services. Adhered to ITIL principles for incident and problem resolution, change control, and asset lifecycle management. Monitored systems, networks, and applications, promptly identifying unusual activities or deviations from normal operations.

• Monitored Microsoft Azure and AWS Cloud Services, Microsoft O365 Service Health, Microsoft SharePoint portal collaborative web services, DHCP Servers, Microsoft Exchange, Active Directory, Domain Controllers and USSOCOM Campus Area Network.

• Utilized the Riverbed Network Infrastructure Performance Monitoring (NetIM) tool to assess Device Status, CPU Utilization, Disk Utilization, and Memory Utilization, ensuring optimal network performance. Verified the stability of the Cisco Unified Call Manager Presence IM&P Sub-Cluster through meticulous monitoring and continuous status tracking.

Satellite Network Engineer Level II

By Light Professional IT Services

Nov 2022 - Feb 2023 (4 months)

• Monitored iDirect TDMA equipment configuration and network performance, in real time, and remotely troubleshoot VSAT systems via iDirect software. Resolved customer issues related to broadband IP communication via satellite transmission.

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• Utilized Remedy to open and meticulously track trouble tickets, ensuring swift resolution of network or remote terminal issues. Spearheaded service restoration efforts, coordinating activities to address disruptions promptly.

• Monitored and tested satellite network performance to provide satellite metrics and performance statistics. Analyzed and resolved end-user hardware and software computer problems in a timely and accurate manner and provided end-user training where required. Prepared status reports on network utilization, performance and activity as required.

• Assisted in network design and capacity planning. Isolated and corrected network faults using network management tools (iMonitor, iBuilder, and Solarwinds). Provided testing and implemented support of new software releases for deployed network equipment. SATCOM/AISR Technician Tier 1

USSOCOM

Mar 2021 - Nov 2022 (1 year 9 months)

• Network Operations Center (NOC) Technician ensured the effective monitoring, control, and configuration of a global satellite communications network. Including forward deployed satellite earth terminals and embedded network communications equipment. Prepared reports on network utilization, performance and activity as required.

• Monitored ViaSat equipment configurations and network performance, in real time, and reported conditions and anomalies to the designated team lead. Supported user access and troubleshooting ViaSat KuSS and KaSS remote terminals.

• Analyzed, troubleshot, and resolved product related issues resulting from installation, software and hardware upgrades, configuration changes, equipment integration or testing. Maintained timely and accurate help desk records utilizing the Remedy ticket management system.

• Reported on the quality of user Full Motion Video (FMV). Supported and escalated user network issues to appropriate offices. Tracked and managed Authorized Service Interruptions (ASI) for network user awareness. Provided daily operational support for hub and remote systems supporting global satellite networks.

Network Communications Team Chief

Joint Communications Support Element

Jun 2016 - Mar 2021 (4 years 10 months)

• Deployed Forced Entry Node (FEN) in a small form factor communications platform, establishing a reliable airborne early entry operational solution. Provided encrypted Cisco 7821 VoIP phones, along with data services via ViaSat KG-250XS. Leveraged Cradlepoint IBR-600 Wi-Fi in conjunction with the BGAN Explorer 510 antenna. Implemented VPN solution through the Cisco 5915 Router to enhance security. Optimized routing by configuring OSPF routing protocol.

• Assumed critical Global Response Force (GRF) SATCOM technician duties, postured Deployable Joint Command and Control (DJC2) tactical enterprise network, ensuring rapid deployment readiness within 24 hours. Facilitated early entry communications for over 800 users during Yam Sakura 2018 in Japan. Provided satellite communications, encrypted data, VoIP, and VTC services for multinational exercise.

• Led a two-member team in a cross organizational multinational communications exercise in support of the CENTCOM Area of Responsibility. Utilized the BICES-X network and provided encrypted data, VoIP and VTC via VPN during Internal Look 2019 in Great Britain and Ottawa, Canada.

• Distinguished service as a Network Administrator with strong emphasis on security. Successfully upgraded firmware on 108 network devices, including routers, switches, and High Assurance IP Encryption devices. Brought 10 rapidly deployable communications nodes up to current DISA Christen Reinhart - page 2

standards. Achieved a high level of compliance during Command Cyber Readiness Inspection (CCRI) for the Department of Defense (DoD).

• Completed rigorous 16-week Joint Standards and Assessment Training Course (JSAT-C). Training encompassed areas such as Tampa Micro-X, and Hawkeye III Very Small Aperture Terminals (VSAT), System Administration, Cisco Routing, Switching and Cisco Unified Call Manager (CUCM). Special Operations Forces Deployable Node Team Chief 5th Special Forces Group (Airborne) - US Army

Nov 2011 - Jun 2016 (4 years 8 months)

• Served as Team Chief for the Special Operations Forces Deployable Node Heavy (SDN-H). Provided crucial support to a Special Forces Battalion Commander and Staff, overseeing 3 Advanced Operation Bases (AOB) and 18 Operational Detachments Alpha (ODA). Managed the programing, configuration, operation and maintenance of critical communication systems.

• Successfully fielded and upgraded SDN-Heavy to Unified Baseband Version 2 (UBB-v2). Deployed small form factor equipment, including DTECH Cisco 5915 Router, DTECH Cisco 2020 Switch, Riverbed Server Steelhead Virtual Connect (VCX), ViaSat KG-250X High Assurance IP Encryption Device (AES-256 bit), and Cisco 7942 VoIP Phone. Implemented EIGRP routing protocol for optimized network performance. Significantly enhanced system capabilities, ensuring mission-critical readiness.

• Executed a comprehensive Network Operation Center (NOC) migration, involving the complete overhaul of a Class-C Tactical Local Area Network (TACLAN). Oversaw the seamless transition of 3 classified networks, which included Domain Controllers, DHCP Servers, Active Directory, Microsoft Exchange, GCCS, and storage servers.

• Managed 11 theater satellite nodes while executing a seamless transition of authority during a deployed command changeover ensuring uninterrupted communication capabilities. Successfully executed over 150 Help Desk trouble tickets during a deployment with the Combined Joint Special Operations Task Force (CJSOTF).

Education

Code Fellows

Certificate in Cybersecurity, Cybersecurity Engineering American Military University

Associate's degree, General Studies

Universal Technical Institute, Inc.

Automotive Certificate, Automobile/Automotive Mechanics Technology/Technician Roseville High School

High School Diploma, General Studies

Licenses & Certifications

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Joint Standards and Assessment Training Course (JSAT-C) - Joint Communications Support Element

Special Operations Forces Deployable Node Heavy Version Two (SDN-HV2) Unified Baseband (UBB) - 5th Special Forces Group (Airborne) - US Army Fiber Optics Installer (FOI) - ETA International

Issued May 2018 - Expires May 2022

FOI205273

Cybersecurity Tools & Cyber Attacks - Coursera

3RPH5FL3JF2W

Network Security & Database Vulnerabilities - Coursera A7RXDSHBKKS8

Cybersecurity Compliance Framework & System Administration - Coursera XZMBJ2M8F7A7

Certified in Cybersecurity (CC) - ISC2

Issued Nov 2023 - Expires Oct 2026

1799233

Cybersecurity Roles, Processes & Operating System Security - Coursera FCB869TEPH5Z

Penetration Testing, Incident Response and Forensics - Coursera D47RCM6JJAYX

CompTIA Security + CE Certification - CompTIA

Issued Aug 2012 - Expires Aug 2027

COMP001020457036

Cyber Threat Intelligence - Coursera

PGTQPRFXWS2T

Skills

Cryptography • Data Security • Incident Management • Penetration Testing • Incident Response • Digital Forensics • Cybersecurity Compliance • Operating Systems • Enterprise Network Security • Databases

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