Job Description Monitor and maintain mission-critical systems, enterprise services, and networking infrastructure across multiple physical sites and disparate networks. Serve as the Tier III support to escalate and resolve technical issues on operational network environments. Support problem management resolutions by tracking system-wide problems on operational networks and work with engineering support, including network engineering, systems engineering, catapult operations, and desktop engineering, to see problem troubleshooting through to resolution. Support the operation and maintenance of critical Windows and Linux systems to maintain operational availability and an excellent security posture through system configuration and patching or STIGs maintenance. Conduct firewall changes, create or troubleshoot F5 iRules, create and modify DNS entries, manage port security, and provide real-time monitoring of network systems and computer assets through SolarWinds. Log all incidents, requests, questions, tasks, and projects in BMC Remedy, apply thorough diagnostic techniques to identify problems, investigate causes, recommend solutions on the operational mission infrastructure, create and maintain comprehensive documentation for all troubleshooting procedures, and move or replace IT equipment to support office moves, new system requirements, and malfunctioning devices, as necessary. We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com .     To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements Experience with IT systems administration  Experience developing and enhancing the IT troubleshooting process  Experience with DoD IT security requirements, including installing patches and conducting STIG reviews such as YUM, Puppet, SCCM, or WSUS  Ability to analyze and refine standard operating procedures  TS/SCI clearance  HS diploma or GED  Ability to obtain a Security+ CE, SSCP, CCNA Security, or GSEC Certification within 30 days of start date Experience with systems and service monitoring tools, including SolarWinds and Splunk  Experience with basic network administration, including port security and configuration, firewall management, F5 support, and DNS management  Experience managing enterprise applications, including Microsoft Exchange, Jira, Microsoft SCCM or MECM, and Skype for Business  Experience using BMC Remedy for ticket queue maintenance and ticket tracking  Experience with virtualization, including VMware and VDI  Experience managing AD and Group Policy  Knowledge of vulnerability and STIG scanning tools, including Nessus, SCC Tool, ACAS, and Tanium  Possession of excellent verbal and written communication skills  Bachelor's degree in Information Systems or a related field null We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion,sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military oruniformed service member status, or any other status or characteristic protected by applicable laws, regulations, andordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to HR@insightglobal.com.