Jr Systems IT Administrator

Jr Systems IT Administrator - Chandler AZ (Onsite) CMMC/NIST 171 Support

RAJANT CORPORATION the 20-year leader in industrial wireless patented Kinetic Mesh networking solutions is redefining real-time connectivity with resilient Smart Routing technology ensuring secure dynamic and uninterrupted data flow for industrial autonomous and mobile operations across various industries.

From robotic and vehicle autonomy to asset tracking health and environmental monitoring smart lighting BMS and industrial automation Rajants military-grade secure AI-powered wireless mesh networks deliver adaptive always-on connectivity for high-stakes environments.

Rajants mission-critical systems are in use by indoor and outdoor industries such as Warehouse and Factory Automation Robotics IIoT Mining Rail Ports Energy tunnel and underground communications.

POSITION SUMMARY: Join Rajants enterprise IT team to support our Chandler AZ development site and collaborate daily with our Malvern PA headquarters. This is a junior systems administration role in scope and escalation level not an entry-level IT position. Youll handle helpdesk/remote support administer Windows & Linux (Ubuntu) environments and execute routine security/compliance tasks aligned with NIST SP 800 171/CMMC.

This role is hands on documentation heavy and process driven. This position will also require the selected candidate to apply for a US Secret security level clearance.

KEY RESPONSIBILITIES:

End User Support & Operations

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.

Systems & Identity Administration

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.

Linux (Ubuntu) Sytems Administration

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.

Network & Onsite Hands

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.

Security & Compliance Support (CMMC/NIST 171)

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.

Documentation & Reporting

Maintain clear and thorough documentation of IT procedures troubleshooting steps and user guides.

Prepare and deliver monthly support and system health reports.

QUALIFICATIONS:

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

Education:

Bachelors Degree or certification in IT Computer Science or a related field (or equivalent hands-on experience).

IT certifications (e.g. CompTIA Security Google Workspace Administrator) are preferred but not required.

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 12 years supporting Ubuntu Linux systems in a professional environment.

Technical Skills:

Practical Ubuntu/Linux administration skills including:

o Command-line troubleshooting

o Systemd/service management

o Log analysis

o User/group permissions

o 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.

Soft Skills:

Clear written/verbal communication.

Motivated self starter.

Strong documentation discipline

Customer service mindset; follows SOPs; timely escalation; dependable.

Nice to Have:

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).

Why Join Rajant

Be part of a cutting-edge tech company leading the charge in resilient AI-driven real-time connectivity solutions.

Work with a team of visionaries engineers and storytellers dedicated to reshaping industries through adaptive networking.

Gain global exposure selling to diverse industries and collaborating with some of the worlds most innovative companies.

Employment Type: Full-Time.

Location: Chandler AZ office. On-site.

Apply: Introduce yourself w/ cover letter & resume to:

Rajant Corporation is an Equal Opportunity Employer and does not discriminate on the basis of race color religion gender national origin age physical or mental impairment sexual orientation or any other category protected under federal state or local law. Rajant is a USG Contractor and complies with all US laws regulations and Executive Orders.

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

Education:

Bachelors Degree or certification in IT Computer Science or a related field (or equivalent hands-on experience).

IT certifications (e.g. CompTIA Security Google Workspace Administrator) are preferred but not required.

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 12 years supporting Ubuntu Linux systems in a professional environment.

Technical Skills:

Practical Ubuntu/Linux administration skills including:

o Command-line troubleshooting

o Systemd/service management

o Log analysis

o User/group permissions

o 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.

Soft Skills:

Clear written/verbal communication.

Motivated self starter.

Strong documentation discipline

Customer service mindset; follows SOPs; timely escalation; dependable.

Nice to Have:

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).