Senior Systems Administrator

Sev1

Tech, Inc.
Senior Systems Administrator

US-CO-Denver, Denver, CO

Job :
Type: Full Time W/Benefits Ret Match
# of Openings: 1

Sev1

Tech is searching for a Senior Systems Administrator with wide experience in designing and managing IT systems within a closed network environment. The successful candidate will have a robust background in managing a complex IT environment. This position supports the design, management, and configuration of IT systems on the US Space Force mesh

ONE‑Terrestrial network. This role requires strong technical expertise, problem‑solving abilities, and leadership skills to ensure optimal performance and security of systems. The work location for this position is Denver, CO.

• Oversee the installation, configuration, and maintenance of servers, operating systems, and applications ensuring system reliability, performance, and security across the IT infrastructure
• Close coordination with cybersecurity analysts, network engineers, NOC controllers, and Mission Partners while conducting operations, administration, and maintenance of the IT systems
• Implements and manages backup and disaster recovery solutions to safeguard data integrity and ensure operational continuity of the system to include regular testing of the backup procedures and disaster recovery plans
• Ensure security patches and updates to systems and applications are completed in required time frames and in coordination with the cybersecurity team
• Installs, configures, and tests servers, blade chassis, blade servers, networking appliances, and all associated cabling with new node builds
• Manages and monitors all installed systems and infrastructure for adherence to DOD guidelines and industry best practices while looking for areas of system resource optimization
• Work with Configuration Management team to provide detailed documentation of system configurations, procedures, and updates
• Mentoring and support junior system administrators and IT staff with on-the-job training and guidance on best practices

Provides remote hands support on CO-area mesh

ONE‑T node locations

• 8+ years IT experience
• CompTIA Security+ Certification
• Applicable certifications: MCSA, MCSE, RHCE, RHCSA, etc.
• Experience installing, configuring, and troubleshooting Windows and/or Linux environments. (Active Directory/Exchange/ADCS/PKI)
• Knowledge of virtualization and containerization basics (e.g., basic understanding of VMware or Virtual Box)
• Knowledge of storage architecture (NAS/SANS)
• Security hardening of Information Systems (Linux/Windows/Endpoints)
• Experience with scripting languages (Python, Bash, Ansible, Powershell, etc.)
• Basic networking knowledge (OSI layers, TCP/IP, DNS, etc.)

• Experience with monitoring systems (Solarwinds/Elastic)
• Experience with Service Now platform and products
• Logic and reasoning for troubleshooting
• Problem-solving and multi-tasking abilities
• Understanding and responding to feedback
• Excellent communication skills (written and oral)

PI