Martin Marietta
Overview
The Network Administrator is responsible for managing, maintaining, and troubleshooting the company’s industrial network, servers, and IS infrastructure. This role ensures the reliability, security, and performance of all network and server systems that support both corporate and local technology environments. Key Responsibilities
Administer and maintain company-wide networks, including LAN, WAN, and wireless networks Manage and monitor servers, storage systems, and network hardware Troubleshoot network, server, and IS infrastructure issues to minimize downtime. Provide occasional after-hours troubleshooting support. Provide end-user support for operating systems, desktops, and printers. Proactively resolve issues affecting end-user experience. Implement and maintain cybersecurity best practices for network and server systems Deploy, maintain, and troubleshoot core business applications, hardware, endpoints, and databases. Support industrial control systems (ICS) and other operational technology (OT) networking requirements. Coordinate with corporate IS and operational teams on infrastructure upgrades, deployments, and projects Maintain documentation of network configurations, policies, and procedures Ensure network and system backups, disaster recovery plans, and business continuity measures are up to date Analyze systems and consult with users to define software, hardware, and network needs; coordinate with corporate resources to improve technical offerings Ensure solutions comply with regulatory and licensing requirements Manage and support local initiatives and projects, including scoping, scheduling, and resource coordination; identify site deficiencies and coordinate resolutions Administer field servers (design, patches, file shares, AD permissions) and manage system setup/configuration Design and implement best practices for scalability, maintenance, and performance Troubleshoot complex or undocumented issues using sound judgment Recommend and implement policies to optimize resource use Stay current on technology, networking, and industry best practices Assist in the design and implementation of new network solutions Performs installs, configurations and network equipment support as instructed Interact with subcontractors/partners involved with network installations Monitor network performance and troubleshoot routine problems and issues Investigate faults in the network as requested Update network equipment to the latest firmware releases by using established procedures Perform other related duties as assigned Preferred Skills
Familiar with project and vendor management Expert knowledge of Ethernet and fiber network cabling standards Able to work independently with minimal guidance; Excellent time management skills Highly skilled with a broad array of network and system hardware and software Familiarity with SQL, VMware and Virtualized Hosts; Cisco IOS. Knowledge of other applications such as Asana, Citrix, Adobe Strong troubleshooting skills; proven analytical and problem-solving abilities Outstanding customer service skills; ability to work independently and in team collaboration Detail-oriented with the ability to multi-task and work under pressure Excellent interpersonal skills with the ability to explain technical issues to technical and non-technical staff Proficient with Microsoft Office Suite and related software Qualifications
Bachelor’s degree in computer science, information technology, or related field, or equivalent experience Proven experience in network administration, server management, and IS infrastructure Knowledge of industrial networks (Ethernet/IP, Modbus, PROFINET, etc.) is a plus Familiarity with network security, firewalls, VPNs, and cybersecurity practices Strong problem-solving skills and ability to work independently Excellent communication skills for coordinating technical and non-technical teams Physical Requirements
Valid Michigan Driver’s License Visual acuity, clear speech & hearing ability, cognitive ability, hand/eye coordination Walking, climbing stairs and occasional ladders, bending, stooping, crouching, kneeling, pushing, pulling, reaching, twisting, balancing, repetitive motion, driving, and sitting for extended periods as essential functions of this position Proper use of Personal Protective Equipment as required Must have good hand/eye coordination and vision to safely fulfill all in-plant job requirements Must be able to work in all types of weather conditions and in industrial environments around hot and cold, noisy process equipment Pass required background check, physical examination and drug screens
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The Network Administrator is responsible for managing, maintaining, and troubleshooting the company’s industrial network, servers, and IS infrastructure. This role ensures the reliability, security, and performance of all network and server systems that support both corporate and local technology environments. Key Responsibilities
Administer and maintain company-wide networks, including LAN, WAN, and wireless networks Manage and monitor servers, storage systems, and network hardware Troubleshoot network, server, and IS infrastructure issues to minimize downtime. Provide occasional after-hours troubleshooting support. Provide end-user support for operating systems, desktops, and printers. Proactively resolve issues affecting end-user experience. Implement and maintain cybersecurity best practices for network and server systems Deploy, maintain, and troubleshoot core business applications, hardware, endpoints, and databases. Support industrial control systems (ICS) and other operational technology (OT) networking requirements. Coordinate with corporate IS and operational teams on infrastructure upgrades, deployments, and projects Maintain documentation of network configurations, policies, and procedures Ensure network and system backups, disaster recovery plans, and business continuity measures are up to date Analyze systems and consult with users to define software, hardware, and network needs; coordinate with corporate resources to improve technical offerings Ensure solutions comply with regulatory and licensing requirements Manage and support local initiatives and projects, including scoping, scheduling, and resource coordination; identify site deficiencies and coordinate resolutions Administer field servers (design, patches, file shares, AD permissions) and manage system setup/configuration Design and implement best practices for scalability, maintenance, and performance Troubleshoot complex or undocumented issues using sound judgment Recommend and implement policies to optimize resource use Stay current on technology, networking, and industry best practices Assist in the design and implementation of new network solutions Performs installs, configurations and network equipment support as instructed Interact with subcontractors/partners involved with network installations Monitor network performance and troubleshoot routine problems and issues Investigate faults in the network as requested Update network equipment to the latest firmware releases by using established procedures Perform other related duties as assigned Preferred Skills
Familiar with project and vendor management Expert knowledge of Ethernet and fiber network cabling standards Able to work independently with minimal guidance; Excellent time management skills Highly skilled with a broad array of network and system hardware and software Familiarity with SQL, VMware and Virtualized Hosts; Cisco IOS. Knowledge of other applications such as Asana, Citrix, Adobe Strong troubleshooting skills; proven analytical and problem-solving abilities Outstanding customer service skills; ability to work independently and in team collaboration Detail-oriented with the ability to multi-task and work under pressure Excellent interpersonal skills with the ability to explain technical issues to technical and non-technical staff Proficient with Microsoft Office Suite and related software Qualifications
Bachelor’s degree in computer science, information technology, or related field, or equivalent experience Proven experience in network administration, server management, and IS infrastructure Knowledge of industrial networks (Ethernet/IP, Modbus, PROFINET, etc.) is a plus Familiarity with network security, firewalls, VPNs, and cybersecurity practices Strong problem-solving skills and ability to work independently Excellent communication skills for coordinating technical and non-technical teams Physical Requirements
Valid Michigan Driver’s License Visual acuity, clear speech & hearing ability, cognitive ability, hand/eye coordination Walking, climbing stairs and occasional ladders, bending, stooping, crouching, kneeling, pushing, pulling, reaching, twisting, balancing, repetitive motion, driving, and sitting for extended periods as essential functions of this position Proper use of Personal Protective Equipment as required Must have good hand/eye coordination and vision to safely fulfill all in-plant job requirements Must be able to work in all types of weather conditions and in industrial environments around hot and cold, noisy process equipment Pass required background check, physical examination and drug screens
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