System Administrator
Lake Saint Louis, St. Charles County, Missouri, 63367, USA
Listed on 2026-07-10
-
IT/Tech
Systems Administrator, IT Support, Cybersecurity, Network Administrator
Systems Administrator
STRANTECH / All Com Global Services is looking for a talented Systems Administrator to join our team. If you're passionate about technology, problem‑solving, cybersecurity, and keeping critical systems running smoothly, we'd love to hear from you.
Join a team that supports innovation, collaboration, and continuous improvement while helping power mission‑critical operations across the country.
This is a hybrid remote position reporting to the IT Manager.
Job SummaryAll Com Global Services is seeking a motivated individual to administer our IT infrastructure, maintain our cybersecurity posture, and implement new systems. The candidate will manage Microsoft 365, Intune, Entra , Fortinet network devices, backups, and security tools while ensuring CMMC Level 2 compliance and supporting business continuity.
Key Responsibilities- Administer Microsoft 365 Commercial and GCC platform (Intune, Entra , One Drive, SharePoint Online, Exchange Online, Defender).
- Administer file permissions, site and library creation for SharePoint Online.
- Maintain Intune policies, Autopilot deployment profiles, and conditional access policies.
- Maintain and update monitoring infrastructure and automation tools.
- Create and document IT processes, infrastructure, and workflows.
- Hardening of Windows systems, applying OS updates and third‑party patches.
- Create deployment packages in patch management tools.
- Implement and manage network security devices such as firewalls, anti‑virus, IDS.
- Configure Fortinet infrastructure (firewall policies, VLANs, SD‑WAN, IPsec tunnels, VPNs).
- Install, test, maintain, monitor, and troubleshoot systems, hardware, and software.
- Test and document data recovery processes; perform restores from backup solutions such as Cohesity and Synology.
- Research and evaluate new technologies and trends to streamline and secure the IT stack.
- Develop security procedures and controls to maintain CMMC Level 2 compliance.
- Monitor system integrity and performance of Microsoft 365, Fortinet, backups, and related services.
- Conduct routine and scheduled internal and external audits.
- Triage IT support tickets and assist with troubleshooting hardware, software, and network issues.
- Remediate vulnerabilities for servers, desktops, laptops, and network endpoints; report findings to management.
- Participate in infrastructure enhancements and lifecycle of hardware, software, and applications.
- Upgrade network security appliances (firewalls, switches, access points).
- Excellent problem‑solving and troubleshooting skills.
- Proficient multitasking in high‑paced environments.
- Experience with Kaseya Auto Task, Datto RMM, Datto EDR, Datto Endpoint backup.
- Strong communication, verbal, and customer‑service skills.
- Eager to learn new technologies and trends.
- Extensive Microsoft 365 administration (Intune, Autopilot, Exchange, SharePoint, One Drive).
- Knowledge of patch management tools (WSUS, SCCM, Autopatch, PDQ).
- Some Power Shell and Batch scripting experience.
- Moderate SIEM knowledge (Rapid7, NeQter, Sentinel).
- Extensive Fortinet networking knowledge (routers, switches, access points).
- Basic SASE knowledge (Cloud Flare, Zscaler, Cisco Umbrella).
- Backup and data‑retention expertise (Veeam, Cohesity, Synology, N‑Able).
- Basic Linux (Red Hat, Ubuntu, CentOS).
- Proficient Windows Server 2019/2022, Windows 10, 11.
- Diagnose and troubleshoot complex IT systems on‑site and remotely.
- Assist in business‑wide IT outages, coordinating with IT manager.
- Knowledge of networking fundamentals (DHCP, DNS, IP addresses, NAT).
- Experience with surveillance systems (IP cameras, NVRs) and VoIP (Cisco, Teams, Ring Central).
- Associate’s degree in information technology or related field.
- Minimum 2 years in system administration, IT support, or similar role.
- Willingness to travel to various locations as needed.
- Availability to work after normal business hours when required.
- Preferred certifications:
CompTIA A+, Security+, and others. - Experience with federal subcontractors preferred.
- Knowledge of NIST 800‑171 and CMMC compliance preferred.
- Must pass pre‑employment drug and background testing; valid driver’s license required.
Equal Opportunity Employer Veterans/Disabled
#J-18808-Ljbffr(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).