Rajant Corporation · 6 hours ago
Information Technology System Administrator
Chandler, AZ
Full-time
Onsite
Entry Level
2+ years expRajant Corporation is a leader in industrial wireless networking solutions, redefining real-time connectivity with advanced technology. The Jr Systems IT Administrator will support the Chandler, AZ development site, engaging in helpdesk support, systems administration, and compliance tasks aligned with security standards.
Public SafetySecurityWeb HostingWireless
No H1B
Security Clearance RequiredU.S. Citizen OnlyHiring Manager
Julie Buckner, SHRM-SCP
Responsibilities
Triage & resolve tickets onsite & remotely via company approved tools; own issues through resolution & document for internal knowledge base
Provision, image, and maintain end user workstations
Support printers/peripherals; manage break/fix, RMAs, and spares
Manage & administer Windows-based systems Active Directory authenticated Ubuntu Linux systems (user access, patching, services, troubleshooting)
Support Google Workspace and Microsoft 365 (account lifecycle, management, troubleshooting)
Collaborate with the IT team to maintain security, performance, and compliance across systems
Administer Ubuntu Linux systems used by engineering and development teams
Perform user and group management, permissions, package management (apt), and patching
Troubleshoot Linux OS, service, and performance issues using CLI tools
Assist with system hardening and configuration in alignment with security baselines
Perform basic switch/Wi Fi tasks (port/VLAN changes under SOP), cabling, & small rack work; coordinate with Malvern for firewall/VPN changes via change control
Run monthly checks & capture evidence: patch compliance reports, account recertifications, backup verification, & vulnerability scan scheduling
Perform first level SIEM/MDR alert triage and escalate per runbooks
Maintain and improve SOPs, system diagrams, and the evidence binder/wiki in coordination with Malvern IT and the FSO
Follow change control and least privilege practices; report exceptions
Maintain clear and thorough documentation of IT procedures, troubleshooting steps, and user guides
Prepare and deliver monthly support and system health reports
Qualification
Required
Local to Chandler, AZ
U.S. Person Status
Ability to pass required background checks
Ability to apply for and obtain a US Secret security level clearance
Bachelor's Degree or certification in IT, Computer Science, or a related field (or equivalent hands-on experience)
2+ years in help desk/deskside support or junior systems administration
Hands on experience administering Windows 11 and Windows Server 2016+, and at least 1–2 years supporting Ubuntu Linux systems in a professional environment
Practical Ubuntu/Linux administration skills including: Command-line troubleshooting, Systemd/service management, Log analysis, User/group permissions, Package management (apt)
Familiarity with remote desktop tools (e.g., TeamViewer, RDP)
Knowledge of Active Directory, GPO Management, basic networking, and end-user security best practices
Basic networking (IP/DNS/DHCP/VLAN/VPN) and troubleshooting
Strong troubleshooting skills for both hardware and software
Clear written/verbal communication
Motivated, self starter
Strong documentation discipline
Customer service mindset; follows SOPs; timely escalation; dependable
Preferred
IT certifications (e.g., CompTIA Security+, Google Workspace Administrator)
CompTIA Security+, Network+, or Microsoft certs
Experience supporting Linux systems for engineering or development teams
Exposure to SIEM/MDR, vulnerability scanners, Windows Autopilot/MDM
Experience in regulated environments (CUI, NIST 800 171, CMMC)
Benefits
Full Benefits
Company
Rajant Corporation
Rajant develops wireless broadband systems for homeland security, public safety, security, and enterprise networking applications.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$3.25M2006-07-24Series B· $3.25M
Leadership Team
Thomas Schena
Vice President Data Architecture
Recent News
2025-12-18
Company data provided by crunchbase