Senior Systems Administrator Job Locations

US-CO-Aurora

Job ID 2024-3255

Category Information Technology

Type Full Time Job Description

NetImpact Strategies is actively seeking a highly skilled and experienced Senior System Administrator to join our onsite, team in Aurora, CO. As a System Administrator, you will be responsible for managing and maintaining server operating systems, ensuring the security, integrity, and availability of infrastructure platforms. If you have a strong background in system administration, excellent problem-solving skills, and the ability to work effectively in a team environment, we encourage you to apply for this p Responsibilities Manage and troubleshoot new or existing server operating systems for related infrastructure software and hardware. Administer day-to-day sustainment, integrity, security, and availability of infrastructure platforms. Execute capacity analysis, maintain the security posture of infrastructure systems, and monitor performance. Create standard operating procedures, maintenance guides, and knowledge base articles to ensure proper documentation for operational upkeep. Perform platform maintenance upgrades to ensure a proper security and operational posture. Assist architecture and engineering with evaluating, making recommendations, and testing infrastructure hardware and software products. Provide support for Virtual Machines (VM). Execute Security Technical Implementation Guide (STIG) compliance. Create, deploy, and report on Group Policy Objects (GPO). Upgrade/update server and workstation OS to the current version. Upgrade/update applications (e.g., Med365/M365, Adobe, Java) including testing and deploying new images and troubleshooting. Serve as problem management, providing workarounds and determining root cause analysis related to patching and vulnerability management. Provide support for management tools such as Microsoft Endpoint Configuration Manager. Provide support for system backup and restoration operations. Assist with developing, maintaining, and employing documented Standard Operational Procedures (SOPs) for backup, restoration, and system replication operations, ensuring they align with ITIL and industry best practic Implement processes to support and assist in ensuring system and infrastructure backups are completed as scheduled. Follow Enterprise directives to periodically test backup and restore operations where applicable. Aid in documenting all backup and restoration operations in logs for auditing purposes. Assist and make recommendations to improve processes, tools, and/or procedures for backup efficiency and reliability. Coordinate to resolve any backup/restore process issues. Ensure all backups and removable media are encrypted according to Federal Information Processing Standards (FIPS) or other DoD/Federal requirements. Properly label and store backups and removable media in fire-resistant vaults for operational (on-site) and historical (off-site) storage according to policy. Configure, maintain, and update Avaya Application Server (Red Hat Linux OS). Perform technical duties related to VOIP, IX Messaging, ACD, and custom Call Center applications, including performing or assigning adds, moves, and changes related to endpoints. Provide knowledge and expertise in Red Hat Linux OS. Monitor daily performance alarms, errors, and outage trends. Review product delivery, verify hand receipts/ownership responsibilities, and ensure diagrams, sustainment, and operational documentation are available to support staff. Track pertinent system information, architecture, and performance metrics. Submit circuit requests, and perform all circuit sustainment actions (e.g., Toll-Free Number, and DSN activities). Define and create Avaya system permissions and skill level access. Update and document VOIP system structure, VLAN Configuration, File Server settings, Avaya Ports, Protocols, nd Services Management. Maintain credentials to access hosted environments. Participate in project, leadership, and other telecommunication-related meetings.

Qualifications

Required One or more of the following certifications (IAT II): CCNA-Security CySA+ ** GICSP GSEC Security+ CE CND SSCP Six (6) years of progressive experience demonstrating the required proficiency. Bachelor's degree and/or equivalency. Proven expertise in system administration, including server operating systems management and troubleshooting.