Senior Systems and Network Administrator Charlotte, North Carolina, United States

RE Mason Company; Charlotte (NC); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Employee Stock Ownership Program (ESOP

Retirement plan

Medical / Dental / Vision Insurance

Employer paid Life Insurance

Long-Term Disability Insurance

Paid leave options

Jury Duty pay

Paid Bereavement Leave

Paid company holidays

Retirement and Financial Wellness

Employee Assistance Program (EAP)

Alternative/Hybrid Work Schedules

Job summary

RE Mason Company, a 100% employee-owned firm in Charlotte, NC, seeks a Senior Systems and Network Administrator to design, secure, and support our infrastructure across servers, cloud, networks, and security platforms. The role emphasizes architecture plus hands-on implementation, troubleshooting, and coordination with control systems specialists.

The ideal candidate will manage AD/Azure/M365, virtualization, backups, and compliant security controls within NIST/ISO frameworks, while supporting

Qualifications

• Five or more years in systems/networks/infrastructure engineering.
• Strong experience with AD, Azure, M365, Windows Server and desktops.
• Solid knowledge of TCP/IP, DNS, DHCP, routing, switching, VPNs, firewalls.
• Experience documenting and supporting system and network solutions.
• Familiarity with virtualization, backup/recovery, and shared-storage tech.

Responsibilities

• Design, implement, administer, and support server, cloud, virtualization, storage, backup, network, and security infrastructure.
• Develop architectures balancing security, reliability, scalability, cost, and supportability.
• Configure routing, switching, firewalls, VPNs, wireless, VLANs, DNS, DHCP, and secure remote access.
• Monitor performance and troubleshoot complex system, network, and connectivity issues.
• Plan upgrades, patches, migrations, and technology refreshes.
• Support access controls, logging, incident response, and audit readiness.
• Support customer control systems and industrial software environments securely.
• Design secure network tunnels and remote connectivity for customer sites.
• Maintain diagrams, standards, inventories, change records, and recovery docs.
• Collaborate across security, applications, data, OT, and business teams.

Skills

Active Directory

Azure AD

Microsoft 365

Windows Server

Networking

Security

NIST

ISO 27001

Troubleshooting

Documentation

Education

IT degree or equivalent certs

Tools

VMware

Hyper-V

Veeam

Pure Storage

Job description

Senior Systems and Network Administrator

Charlotte, North Carolina, United States

As a 100% Employee-Owned company, Robert E. Mason & Associates, Inc. believes our Associates are the foundation of both our customers’ and our success. Our strong company culture, and belief in continued investment in our Associates, has helped us realize long Associate tenures, as well as long lasting relationships with our customers.

R.E. Mason is an Emerson Impact Partner covering North Carolina, South Carolina, and Virginia. Emerson is the global leader of process systems and solutions. R.E. Mason provides industry-leading process equipment and service for process control, automation, safety, and reliability. The industries served include Chemical, Pharmaceutical & Life Sciences, Power & Utilities, Food & Beverage, and Pulp & Paper.

What R.E. Mason Offers Associates:

R.E. Mason is a 100% employee-owned company that offers a comprehensive, industry leading benefits package to all eligible Associates:

• Participation in the Employee Stock Ownership Program (ESOP)
• Retirement plan, including a Safe Harbor contribution
• Medical / Dental / Vision Insurance
• Employer paid Life Insurance and Long-Term Disability Insurance
• Generous paid leave options that include vacation time, sick leave, personal leave time, R.E. Mason Way Half Day, paid Jury Duty, and paid Bereavement Leave
• Paid company holidays
• Retirement and Financial Wellness program
• Employee Assistance Program (EAP)
• Alternative/Hybrid Work Schedules

General Description

The Senior Systems and Network Administrator is responsible for designing, implementing, securing, and supporting the company’s infrastructure, including servers, cloud services, networks, cybersecurity platforms, and related technologies.

This role is ideal for a technology professional who enjoys both strategic thinking and hands-on execution. The successful candidate will contribute to architecture and solution design while remaining actively involved in implementation, troubleshooting, optimization, and support.

The environment includes business and cloud systems, customer control systems and other industrial software environments, cybersecurity and compliance requirements aligned with frameworks such as NIST and ISO, and customer-facing connectivity solutions such as secure remote access and network tunneling.

Specific Responsibilities

• Design, implement, administer, and support server, cloud, virtualization, storage, backup, network, and security infrastructure.
• Develop practical, right-sized system and network architectures that balance security, reliability, scalability, cost, and supportability.
• Configure and support routing, switching, firewalls, wireless networks, VLANs, VPNs, segmentation, DNS, DHCP, and secure remote access.
• Monitor infrastructure performance and availability; troubleshoot complex system, network, and connectivity issues through resolution.
• Plan and implement upgrades, patches, migrations, configuration changes, and technology refreshes.
• Actively support the protection of sensitive information by implementing and maintaining least-privilege access, system and network segmentation, secure administrative access, logging and monitoring, and other required security controls.
• Support hosted customer control systems and other industrial software environments, including secure access, availability, segmentation, backup, and coordination with application and control system specialists.
• Design and support secure network tunnels and remote-support connectivity for customer sites, including customer-billable engagements.
• Implement and maintain technical controls aligned with company policies and compliance frameworks such as NIST and ISO.
• Support vulnerability remediation, system hardening, access reviews, incident response, audit evidence, and continuous control improvement.
• Maintain system and network diagrams, standards, procedures, inventories, change records, and recovery documentation.
• Manage and test backup, disaster recovery, and business continuity capabilities.
• Collaborate across security, compliance, applications, data, operational technology, and business teams.
• Occasional travel and participation in after-hours maintenance, incident response, or on-call support may be required based on business and customer needs.

Qualifications

Required Education and Experience

• Five or more years of progressive experience in systems administration, network administration, infrastructure engineering, or a similarly broad infrastructure role.
• Strong experience with Active Directory, Microsoft Entra ID/Azure, Microsoft 365, Windows Server, and Windows desktop operating systems.
• Strong working knowledge of TCP/IP, DNS, DHCP, routing, switching, VLANs, firewalls, VPNs, wireless networking, segmentation, and secure remote access.
• Experience designing, documenting, implementing, and supporting system and network solutions.
• Experience with virtualization, backup and recovery, and shared-storage technologies; VMware, Hyper-V, Veeam, and Pure Storage experience is beneficial.
• Working knowledge of cybersecurity practices including access management, system hardening, vulnerability management, logging and monitoring, and incident response.
• Experience working with formal security policies, documented controls, or compliance frameworks such as NIST or ISO 27001.
• Strong troubleshooting, project execution, documentation, communication, customer service, and cross-functional collaboration skills.
• Associate or bachelor’s degree in information technology, computer science, or a related field, or an equivalent combination of education, certifications, and relevant experience.
• Infrastructure supporting industrial automation, operational technology, customer control systems, or other industrial software environments; Emerson DeltaV experience is beneficial.
• Hosting development or test environments for customers, partners, or contractors.
• Site-to-site VPNs, network tunnels, remote-access solutions, or customer connectivity for consulting or billable-service engagements.
• Compliance programs or audits associated with NIST SP 800-171, CMMC, ISO 27001, or similar frameworks.
• Relevant Microsoft, CompTIA, Cisco, VMware, AWS, or security certifications

RE Mason Companyis a federal contractor and, as such, isrequired to solicit the disability status and protected veteran status of candidates. Thus, you are required to answer self-identification questions as part of your application process. These questions are part of RE Mason’sAffirmative Action Plan and the completion of these questions will not have any effect on any consideration of your application materials.

In compliance with the ADA Amendments Act (ADAAA), if you have a disability and need to request an accommodation in order to apply for a position with RE Mason, please call our office at [phone].

This is a drug-free workplace. Employment is contingent upon the successful completion of any required pre-employment and, if applicable, ongoing drug testing, including testing mandated by customer site access requirements.

As set forth in R.E. Mason’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.