Information Technology Systems Administrator-Senior Associate E2

Job DetailsLevel: ExperiencedJob Location: ENGLEWOOD, CO 80112Salary Range: $91,000.00 - $108,000.00 Salary/yearWarning: Do not submit any sensitive, proprietary, or classified information in this system (including PII, FOUO/CUI). If your resume includes government program content, ensure all information has been cleared through the appropriate Prepublication Review process.

 

Join Our Team! We seek the best talent and compensate accordingly. Radix is an inclusive workplace that fosters a professional, casual work environment and a leadership structure that enables collaboration and potential for employees to have daily impact on the Company’s success.

Top Reasons Why You Want to Work for Radix as a Software Engineer


Small Company Culture
Relaxed Flexible Work Environment
Competitive Wages
Medical, Dental, & Vision Premiums 100% Employer Funded
Short-Term, Long-Term Disability, & Life Premiums 100% Employer Funded
Company Funded Retirement plan of up to 25% of Base Salary
6 weeks of Paid Time Off (PTO)
Professional Development and Educational Benefits


Job Overview

The IT / Systems Administrator is responsible for the installation, maintenance, operation, and security of Radix Metasystems’ IT infrastructure, including networks, devices, software, web applications, and user accounts. This role provides Tier I–III technical support and ensures appropriate access and permission controls across enterprise systems. The IT / Systems Administrator works collaboratively with technical teams, security personnel, and business stakeholders to maintain system performance, reliability, and compliance with organizational and regulatory standards. This position operates in a fast-paced and evolving technical environment and plays a critical role in maintaining operational continuity and cybersecurity posture.

Responsibilities and Duties:


Administer and maintain daily IT operations and infrastructure
Implement and support IT strategies, infrastructure improvements, and system modernization initiatives
Provide Tier I–III technical support for end users, including troubleshooting hardware, software, network, VOIP, and access-related issues
Install, configure, and maintain Windows enterprise domain software and applications
Deploy software updates and manage software licensing to ensure compliance
Manage, maintain, deploy, and track company hardware assets
Sanitize, decommission, and properly dispose of end-of-life (EOL) IT equipment
Create, modify, delete, and maintain user accounts and permissions across on-premises, local, and SaaS environments
Conduct IT on-boarding and off-boarding processes for employees
Maintain and support network infrastructure including firewalls, VPNs, switches, wireless access points, and secure network access configurations
Configure and maintain cloud computing services and remote access technologies
Experience administering Red Hat Enterprise Linux (RHEL) workstation and server environments
Experience managing RHEL using command-line tools and shell scripting (Bash or equivalent)
Experience managing user authentication and authorization including SSSD, LDAP, and/or Active Directory integration
Experience performing system patching and package management using YUM/DNF and Red Hat repositories or Satellite
Identify, assess, and mitigate system security risks
Collaborate with ISSM/ISSO personnel to implement and maintain systems in accordance with RMF 800-53, NIST 800-171, and CMMC Moderate compliance standards
Maintain documentation supporting change management and configuration management processes
Perform system data backup, restoration, and disaster recovery support activities
Support setup and deployment of new office or remote work environments as required
Communicate effectively across departments to support operational needs
Promote and reinforce Radix Metasystems’ culture and values
Other duties as assigned


Primary Location(s):


Radix Metasystems HQ, Englewood, CO

QualificationsRequired Qualifications:


U.S. Citizenship
Currently active TS/SCI security clearance issued by a U.S. Government Entity
Currently active Counterintelligence polygraph adjudicated by a U.S. Government Entity
Must be able to provide 24/7 on-call support on an as-needed basis (this is rare)
Bachelor’s degree in Information Technology, Computer Science, Information Systems, or related field. Equivalent professional experience may substitute for formal education
7-10 years of experience providing enterprise-level IT end-user and systems administration support (including networking, systems, firewalls, and enterprise software)
Security+ certification or equivalent cybersecurity certification
Strong understanding of computer systems, operating systems, networking, security principles, and file systems
Thorough knowledge of IT operational procedures and best practices
Experience configuring