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Systems Administrator & Security EngineerJani-King • Addison, Illinois, United States
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Systems Administrator & Security Engineer

Jani-King
  • US
    Addison, Illinois, United States
  • US
    Addison, Illinois, United States
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About

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Systems Administrator & Security Engineer Full Time Professional Corporate Office, Addison, TX, US
3 days ago Requisition ID: 1094
Salary Range: $105,000.00 To $125,000.00 Annually
SYSTEMS ADMINISTRATOR & SECURITY ENGINEER
Jani-King International | Addison, TX
Secure It. Automate It. Modernize It.
Jani-King International is the global leader in commercial cleaning franchising, with over 6,500 franchisees and 120 regional offices worldwide . For more than 55 years , we’ve partnered with top organizations across healthcare, education, hospitality, government, retail, and more — backed by a corporate technology team that keeps our multi-state operations secure and running.
We are seeking a Systems Administrator & Security Engineer to own the administration, security, and ongoing modernization of our corporate and multi-state IT infrastructure. This is a hands-on, technical role that blends deep systems administration with real security engineering — and a strong automation mandate. If your instinct when you see a manual, repetitive task is to ask “why is this still being done by hand?” and then go build the solution, this role is for you.
You’ll keep servers, networks, and enterprise applications running reliably across the corporate office and Regional Offices, harden and defend the environment, and lead the push toward automated, modern, well-documented operations.
Department: Information Technology | Reports To: Director of IT | Schedule: Full-Time • Mon–Fri • 8:00 AM–5:00 PM | Travel: Occasional (multi-state)
Position Summary Reporting to the Director of Information Technology , the Systems Administrator & Security Engineer supports a technology environment that includes Windows servers, Active Directory, network infrastructure, corporate applications (FAS, Traverse, HubSpot), legacy systems, and Microsoft 365, spanning the corporate office and Regional Offices across multiple states.
What success looks like You bring strong systems and security judgment, prioritize competing demands across sites, take a proactive approach to monitoring and hardening, and apply real analytical discipline to decide which processes should be automated, which should not, and why. You work well independently and collaboratively, and you document your work so others can understand and maintain it.
Key Responsibilities Systems & Network Administration
Administer and monitor Windows servers, Active Directory, DNS, DHCP, Group Policy, and user accounts across corporate and multi-state Regional Office environments
Maintain network infrastructure including switches, routers, wireless access points, and VPN connections for reliable, secure connectivity
Monitor system performance, backups, and logs to resolve issues before they cause outages
Plan and perform system updates, patches, and software deployments, coordinating across sites and time zones
Manage user access provisioning and de-provisioning, including timely removal of access for departing employees
Administer Microsoft 365 services including Exchange Online, SharePoint, Teams, and OneDrive
Verify backup completion and perform periodic test restores to ensure data recovery capability
Support corporate applications including FAS, Traverse, HubSpot, legacy systems, and the Jani-King mobile application
Security Engineering & System Protection
Design, implement, and maintain security controls including MFA, least-privilege access models, account policies, and endpoint protection across all sites
Monitor and triage security alerts from antivirus, firewall, and email security systems, investigating suspicious activity and responding to threats
Lead response to security incidents — isolating affected systems, resetting credentials, performing root-cause analysis, and escalating as appropriate
Own vulnerability management: apply security patches promptly, disable unused services, and follow hardening guidelines
Develop, test, and document security baselines and configuration standards, keeping systems consistent across all states
Support security awareness efforts, communicating threats such as phishing, ransomware, and social engineering to staff
Ensure compliance with Jani-King’s information security policies, including acceptable use, data classification, and approved-systems standards
Automation, Scripting & Digital Transformation
Identify repetitive, manual, or error-prone IT processes and engineer automated solutions, treating automation as core to the role
Evaluate each candidate process on clear factors — frequency, time cost, error rate, risk, stability, and maintainability — and articulate why a task should or should not be automated
Recognize and document the limits of automation, flagging poor candidates with the reasoning recorded
Design, write, test, and maintain automation using PowerShell, batch, Python, or similar tools for provisioning, reporting, patch deployment, monitoring, and routine maintenance
Build automation that is observable and safe — with logging, error handling, alerting, and rollback considerations — so processes fail loudly rather than silently
Lead and support digital transformation initiatives such as modernizing legacy workflows and standardizing tooling across sites
Maintain clear documentation for all automation and scripts so they can be understood, audited, and maintained by others
Use AI platforms (such as Claude Enterprise and Microsoft Copilot) fluently to accelerate scripting, research, log analysis, and documentation, while following data classification policies
Technical Support & Infrastructure
Serve as senior technical escalation point for complex hardware, software, network, and application issues from corporate staff and Regional Offices
Provide remote support to multi-state Regional Offices using Remote Desktop, VNC, or similar tools
Document issues, troubleshooting steps, and resolutions in the IT ticketing system (Jira), building a searchable knowledge base
Address the root cause of recurring issues through automation, configuration changes, or user training to reduce repeat tickets
Deploy, configure, and troubleshoot workstations, laptops, printers, and mobile devices; maintain IT asset inventory and coordinate hardware procurement
Perform basic server hardware maintenance and coordinate warranty support with vendors
Projects & Process Improvement
Lead and support IT projects including system migrations, software rollouts, infrastructure upgrades, and new application implementations across multiple states
Create and maintain IT documentation including system configurations, network diagrams, SOPs, and troubleshooting guides
Continuously evaluate IT processes for opportunities to automate, consolidate, or eliminate work, proposing improvements with a clear cost/benefit rationale
Coordinate with external IT vendors and service providers for equipment repairs, software support, and infrastructure services
What We’re Looking For
Associate’s or Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent professional experience
5+ years of experience in system administration and IT support with increasing responsibility, including hands‑on security responsibilities
Demonstrated experience administering and supporting IT environments across multiple states or distributed sites, including remote support of geographically separated offices
Strong working knowledge of Windows Server, Active Directory, Group Policy, DNS, and DHCP
Solid networking skills including TCP/IP, routers, switches, firewalls, VPNs, and wireless systems across multi‑site environments
Hands‑on security engineering experience including MFA, endpoint protection, firewall and email security monitoring, patch and vulnerability management, hardening, and incident response
Proven automation and scripting ability using PowerShell and at least one additional language (such as Python or batch), with examples of processes automated end to end
Ability to reason clearly about automation trade‑offs — not just how a task could be automated, but whether it should be, and why
Proficiency with Microsoft 365 administration (Exchange Online, SharePoint, Teams, OneDrive) and remote support tools (Remote Desktop, VNC)
Fluency with AI platforms such as Claude, ChatGPT, or Microsoft Copilot, used productively within policy
Working knowledge of SQL Server, IIS, or database administration is a plus
Relevant certifications such as CompTIA Security+, Network+, A+, or Microsoft Certified: Azure Administrator preferred
Strong analytical and problem‑solving skills, excellent communication, and the ability to explain technical concepts to non‑technical users
Ability to pass a background screen; willingness to travel occasionally to Regional Offices and provide occasional after‑hours support for critical incidents
Why You’ll Love Working Here
Real Ownership: You’ll own the systems, security, and automation roadmap for a global brand’s corporate and multi-state environment — not just a narrow slice of it.
Automation Mandate: Modernization is part of the job, not a side project. You’ll be encouraged to eliminate manual work and build durable, automated solutions.
Modern Tooling: Work with current platforms and AI tools (Claude Enterprise, Microsoft Copilot) as part of your daily workflow.
Stability: Join a well‑established global organization with a long track record of success and continued growth.
Impact Across the Company: Your work keeps every department and Regional Office secure, connected, and productive.
Location and Work Environment This position is based at Jani-King International’s corporate office in Addison, TX , and requires daily in‑office presence, with occasional travel to Regional Offices in other states.
The typical schedule is Monday through Friday, 8:00 AM to 5:00 PM , with flexibility required for occasional after‑hours system maintenance, security incidents, emergency support, and critical infrastructure needs. This is a professional corporate office environment with regular interaction across Operations, Sales, Finance, Marketing, and Executive Leadership.
The role involves access to sensitive company data, system credentials, and security configurations; strict confidentiality and professional discretion are required at all times. The position also involves occasional physical tasks such as installing and carrying IT equipment (up to 50 lbs.), accessing server racks, and running cabling.
If you’re a hands‑on systems and security professional who automates relentlessly and documents everything, we want to hear from you!
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  • Addison, Illinois, United States

Languages

  • English
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