Senior Network & Systems Analyst

Allied IT Systems is seeking an experienced Senior Network & Systems Analyst to support client technology environments throughout Southeast Texas. This position will provide advanced support, administration, troubleshooting, implementation, and technical guidance across networking, servers, cloud platforms, cybersecurity systems, and managed IT services.

The successful candidate will be capable of independently managing complex technical issues, communicating directly with clients, mentoring junior personnel, and contributing to the continuous improvement of Allied’s technical operations. Candidates who demonstrate the appropriate leadership, judgment, communication skills, and organizational aptitude may have the opportunity to advance into a team lead position.

Allied IT Systems is seeking an experienced Senior Network & Systems Analyst to support client technology environments throughout Southeast Texas. This position will provide advanced support, administration, troubleshooting, implementation, and technical guidance across networking, servers, cloud platforms, cybersecurity systems, and managed IT services.

The successful candidate will be capable of independently managing complex technical issues, communicating directly with clients, mentoring junior personnel, and contributing to the continuous improvement of Allied’s technical operations. Candidates who demonstrate the appropriate leadership, judgment, communication skills, and organizational aptitude may have the opportunity to advance into a team lead position.

• Design, configure, administer, maintain, and troubleshoot client network and systems infrastructure.
• Support switches, routers, firewalls, wireless networks, VPNs, internet connectivity, and related network services.
• Administer Microsoft Windows Server, Active Directory, Group Policy, Microsoft 365, Entra , and related cloud services.
• Diagnose and resolve complex network, server, application, endpoint, security, and performance issues.
• Implement and maintain cybersecurity controls, including endpoint protection, multifactor authentication, email security, security monitoring, vulnerability remediation, patching, and system hardening.
• Review security alerts and technical incidents, determine appropriate response actions, and coordinate escalation when necessary.
• Plan and execute infrastructure upgrades, equipment replacements, migrations, deployments, and remediation projects.
• Develop and maintain network diagrams, system documentation, configuration records, technical standards, and client operating procedures.
• Serve as a senior technical resource for clients, junior analysts, vendors, subcontractors, and project teams.
• Review the work of junior technical personnel and provide coaching, training, and technical guidance.
• Assist with technical assessments, project scoping, equipment recommendations, implementation planning, and project cost estimates.
• Identify recurring problems, operational risks, and opportunities to improve reliability, security, and service quality.
• Participate in scheduled after-hours maintenance, escalation support, and on-call rotations when required.
• Support public-sector, maritime, industrial, and commercial client environments.
• Perform other technical and leadership-related duties as assigned.

• Five or more years of progressively responsible experience in network administration, systems administration, infrastructure support, cybersecurity operations, or a closely related technical field.
• Demonstrated experience configuring and troubleshooting managed switches, firewalls, wireless systems, VLANs, VPNs, routing, and network services.
• Strong working knowledge of TCP/IP, DNS, DHCP, switching, routing, subnetting, network segmentation, and secure remote access.
• Experience administering Microsoft Windows Server, Active Directory, Group Policy, Microsoft 365, Entra , and Windows endpoints.
• Experience with virtualization, backup systems, endpoint protection, patch management, monitoring tools, and cybersecurity controls.
• Ability to independently diagnose complex technical problems and…