Mid Level Senior Systems Administrator Jobs
Mid level senior systems administrator jobs go to professionals ready to own infrastructure projects end to end, make architectural decisions with limited oversight, and mentor junior colleagues. Openings are split across on-site, remote, and hybrid settings in Technology & Software, Energy, and Retail, with employers like Perplexity, Saalex, and SpaceX hiring at this level now.
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Toledo Containerboard is seeking a Network and Systems Administrator to join our team in Toledo, Oregon, located approximately 45 miles west of Corvallis and just 5 miles east of Newport and the Pacific Ocean.
In this hands-on role, you will serve as the site's primary IT/OT network and infrastructure leader, bringing deep operational technology (OT) infrastructure expertise to a complex manufacturing environment. You will be responsible for designing, securing, and optimizing networks and systems that enable safe, reliable, and efficient mill operations. Working closely with Process Control, Engineering, Operations, Cybersecurity, and Enterprise IT teams, you will help drive manufacturing technology initiatives and support critical business operations.
Our Team
You will join the Toledo site IT/OT team, which supports manufacturing operations, process control systems, and enterprise technology services. The team partners closely with Operations, Engineering, Cybersecurity, and Enterprise IT to deliver secure, reliable, and high-performing infrastructure that enables the mill's success.
What You Will Do
- Own the availability, performance, and security of the site IT/OT network, ensuring production systems meet uptime and latency needs.
- Operate, and maintain LAN/WLAN, switches, routers, firewalls, VLANs, and wireless controllers in alignment with regional architecture standards to support both IT and OT environments.
- Implement and enforce cybersecurity controls for plant assets in partnership with the cybersecurity team, including network segmentation, endpoint protection, patching, access controls, and Purdue model alignment applying GP's Secure Network Model for Manufacturing.
- Support Windows Server and some Linux server platforms, Active Directory, DNS, DHCP, virtualization (VMware), and on-site storage/SAN resources that serve production and business workloads.
- Troubleshoot and resolve complex incidents across IT and OT (network connectivity, PLC/DCS communication, server issues), perform root-cause analysis, and drive permanent fixes.
- Collaborate with process control, engineering, and regional teams (OT Delivery, Enterprise Delivery, Architecture, Cybersecurity) to deliver reliable automation networks and enable Industry 4.0 initiatives (IIoT, edge computing).
- Perform camera/video system administration and lifecycle activities (server infrastructure, install coordination, troubleshooting).
- Monitor KPIs and system telemetry to detect anomalies and proactively reduce downtime; document incidents and share lessons learned.
- Coordinate and facilitate vendor and third - party contractors responsible for site infrastructure delivery; contribute to the site technical roadmap and projects.
- Provide coaching and knowledge transfer to onsite and cross-site teams to improve communication, alignment, and operational consistency, supporting continuous improvement.
Who You Are (Basic Qualifications)
- 5+ years of hands-on experience in network administration, IT infrastructure, or IT/OT support in industrial or enterprise environments.
- Practical experience with Cisco networking (switches/routers), firewall administration, VLANs, TCP/IP, DNS, DHCP, and wireless controller environments.
- Experience administering Windows Server, Active Directory, VMware virtualization, and storage technologies.
- Demonstrated ability to troubleshoot network and OT connectivity issues (PLC/DCS/SCADA communications) and to work with process control teams.
- Willingness to participate in a rotating 24/7 on-call schedule, work onsite in a manufacturing environment (lift ~35 lbs., climb stairs, follow PPE/safety rules), and travel typically 5-10% annually, with opportunities for additional cross-site travel if aptitude is demonstrated
- Ability to work effectively in a manufacturing environment, with a willingness to learn operational processes and close any training gaps.
What Will Put You Ahead
- Professional certifications such as CCNA, Network+, Security+, or VMware VCP-DCV.
- Experience with industrial communications and tools (Kepware, RSLinx, OPC, OSI PI).
- Familiarity with Honeywell/Experion, PAS Integrity, TDC3000, FactoryTalk, or other DCS/SCADA platforms.
- Hands-on experience with video management systems (Genetec, Milestone, Axis) and large camera fleets.
- Exposure to IIoT, edge computing architectures, AGVs, computer vision, or asset health technologies.
- Skills with analytics and reporting tools (SQL, Power BI, Tableau) to translate operational data into improvements.
At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here .
Who We Are
As a Koch company and a leading manufacturer of bath tissue, paper towels, paper-based packaging, cellulose, specialty fibers, building products and much more, Georgia-Pacific works to meet evolving needs of customers worldwide with quality products. In addition to the products we make, we operate one of the largest recycling businesses. Our more than 30,000 employees in over 150 locations are empowered to innovate every day -to make everyday products even better.At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here , aquí , or tu ).
Toledo Containerboard is seeking a Network and Systems Administrator to join our team in Toledo, Oregon, located approximately 45 miles west of Corvallis and just 5 miles east of Newport and the Pacific Ocean.
In this hands-on role, you will serve as the site's primary IT/OT network and infrastructure leader, bringing deep operational technology (OT) infrastructure expertise to a complex manufacturing environment. You will be responsible for designing, securing, and optimizing networks and systems that enable safe, reliable, and efficient mill operations. Working closely with Process Control, Engineering, Operations, Cybersecurity, and Enterprise IT teams, you will help drive manufacturing technology initiatives and support critical business operations.
Our Team
You will join the Toledo site IT/OT team, which supports manufacturing operations, process control systems, and enterprise technology services. The team partners closely with Operations, Engineering, Cybersecurity, and Enterprise IT to deliver secure, reliable, and high-performing infrastructure that enables the mill's success.
What You Will Do
- Own the availability, performance, and security of the site IT/OT network, ensuring production systems meet uptime and latency needs.
- Operate, and maintain LAN/WLAN, switches, routers, firewalls, VLANs, and wireless controllers in alignment with regional architecture standards to support both IT and OT environments.
- Implement and enforce cybersecurity controls for plant assets in partnership with the cybersecurity team, including network segmentation, endpoint protection, patching, access controls, and Purdue model alignment applying GP's Secure Network Model for Manufacturing.
- Support Windows Server and some Linux server platforms, Active Directory, DNS, DHCP, virtualization (VMware), and on-site storage/SAN resources that serve production and business workloads.
- Troubleshoot and resolve complex incidents across IT and OT (network connectivity, PLC/DCS communication, server issues), perform root-cause analysis, and drive permanent fixes.
- Collaborate with process control, engineering, and regional teams (OT Delivery, Enterprise Delivery, Architecture, Cybersecurity) to deliver reliable automation networks and enable Industry 4.0 initiatives (IIoT, edge computing).
- Perform camera/video system administration and lifecycle activities (server infrastructure, install coordination, troubleshooting).
- Monitor KPIs and system telemetry to detect anomalies and proactively reduce downtime; document incidents and share lessons learned.
- Coordinate and facilitate vendor and third - party contractors responsible for site infrastructure delivery; contribute to the site technical roadmap and projects.
- Provide coaching and knowledge transfer to onsite and cross-site teams to improve communication, alignment, and operational consistency, supporting continuous improvement.
Who You Are (Basic Qualifications)
- 5+ years of hands-on experience in network administration, IT infrastructure, or IT/OT support in industrial or enterprise environments.
- Practical experience with Cisco networking (switches/routers), firewall administration, VLANs, TCP/IP, DNS, DHCP, and wireless controller environments.
- Experience administering Windows Server, Active Directory, VMware virtualization, and storage technologies.
- Demonstrated ability to troubleshoot network and OT connectivity issues (PLC/DCS/SCADA communications) and to work with process control teams.
- Willingness to participate in a rotating 24/7 on-call schedule, work onsite in a manufacturing environment (lift ~35 lbs., climb stairs, follow PPE/safety rules), and travel typically 5-10% annually, with opportunities for additional cross-site travel if aptitude is demonstrated
- Ability to work effectively in a manufacturing environment, with a willingness to learn operational processes and close any training gaps.
What Will Put You Ahead
- Professional certifications such as CCNA, Network+, Security+, or VMware VCP-DCV.
- Experience with industrial communications and tools (Kepware, RSLinx, OPC, OSI PI).
- Familiarity with Honeywell/Experion, PAS Integrity, TDC3000, FactoryTalk, or other DCS/SCADA platforms.
- Hands-on experience with video management systems (Genetec, Milestone, Axis) and large camera fleets.
- Exposure to IIoT, edge computing architectures, AGVs, computer vision, or asset health technologies.
- Skills with analytics and reporting tools (SQL, Power BI, Tableau) to translate operational data into improvements.
At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.
Hiring Philosophy
All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here .
Who We Are
As a Koch company and a leading manufacturer of bath tissue, paper towels, paper-based packaging, cellulose, specialty fibers, building products and much more, Georgia-Pacific works to meet evolving needs of customers worldwide with quality products. In addition to the products we make, we operate one of the largest recycling businesses. Our more than 30,000 employees in over 150 locations are empowered to innovate every day -to make everyday products even better.At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.
Our Benefits
Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.
Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.
Equal Opportunities
Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here , aquí , or tu ).
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Mid Level Senior Systems Administrator Jobs: Frequently Asked Questions
How do I get a mid level senior systems administrator job?
Position yourself around ownership, not just task completion. Highlight systems you administered independently, incidents you resolved, and improvements you drove, such as automating a deployment process or hardening a network configuration. Certifications like RHCSA, Microsoft 365, or VMware VCP strengthen your application, and demonstrating cross-team collaboration shows you are ready for broader scope.
Which companies hire mid level senior systems administrators?
Companies hiring mid level senior systems administrators right now include Perplexity, Saalex, and SpaceX, based on current listings on Migrate Mate as of September 2026. Hiring at this level comes from a broad mix of employers, including large enterprises modernizing on-premise infrastructure, managed service providers scaling client operations, and mid-size organizations building out dedicated IT teams.
Are there remote mid level senior systems administrator jobs?
Yes, though availability varies by employer and role type. About 20% of mid level senior systems administrator openings are remote or hybrid as of September 2026, making this a realistic option for experienced administrators. Roles involving cloud infrastructure, monitoring, and scripting tend to accommodate remote work more readily than positions requiring hands-on hardware management.
How do I move up to a mid level senior systems administrator role?
Growth from entry level into mid level comes from accumulating ownership over time, not just years on the job. Build depth in a core area such as Linux administration, Active Directory, or cloud platforms, then take on projects where you own the outcome. Documenting your impact, earning relevant certifications, and gradually taking on work that requires less oversight signals readiness for a mid level title.
Which industries hire the most mid level senior systems administrators?
Mid Level senior systems administrator roles concentrate in Technology & Software, Energy, and Retail, based on current listings on Migrate Mate as of September 2026. These sectors drive consistent demand because they rely on complex, always-on IT environments where experienced administrators are needed to maintain uptime, enforce security standards, and support growing infrastructure without constant senior supervision.