Network Infrastructure Administrator

Shelter Insurance Companies•Columbia, MO

21h

About The Position

A company built to serve you. It's your career, Shelter it! Network Infrastructure Administrator $69,742 – 86,474 / year minimum starting pay Job Level: Individual Contributor Shelter maintains broad salary ranges for its roles in order to account for variations in geographic location, education, training, skills, relevant work experience, business needs and market demands. Please remember that this range is the starting base pay only and does not consider other components that make up the total rewards package for the position. What You Will Be Doing: Collectively responsible for highest level or privileged access to the circuits and network devices that comprise the Shelter network, including firewalls and load balancers, security systems and devices, and all circuits such as WAN/MPLS, internet, replication, and SIP trunks. Daily work frequently involves critical infrastructure and data/configuration that is replicated off-site for disaster recovery purposes. Design, implement, and monitor network systems related to: Network routers, switches, firewalls, load balancers, WIFI systems, Circuits: WAN/MPLS, internet, replication, SIP, Network VPN's. Complete day-to-day administration, monitoring and maintenance related to routers, switches, firewalls, load balancers, packet shapers, wireless systems, and circuits. Conduct complex troubleshooting and repair tasks on network at a detailed level by device. Work closely with Security to select, implement, and maintain Security related systems and address Security related incidents/events. Assure off-site disaster recovery environment is consistently available and participate in semi-annual disaster recovery testing Maintain infrastructure of a variety of IT Security systems and perform considerable work in the development and implementation of workflows and data integration/transformations associated with those systems. Manage VPN’s used by employees and agents while monitoring systems to alert on potential issues related to internal network and external circuits. Work with circuit providers to assure circuits are installed, terminated, and maintained as needed. Participate in various reviews and audits (ex: PCI compliance, pen tests, security exercises). Participate in capacity planning ensuring that our systems have the necessary capacity to meet strategic business needs with few or no reliability issues. Work with 3rd Party Vendors as needed to procure hardware and software solutions, as well as addressing updates and issues after implementation. What We’re Looking For: Ability to be a subject matter expert for new and existing technologies. Ability to train peers on technology, take on a leadership role, and work with management. Familiarity supporting Security initiatives and implementing Security best practices. Excellent communication and interpersonal skills and be capable of tactical planning and initiative. Ability to maintain various network systems, hardware and software technologies as indicated above, with some assistance from peers. Scripting and automation experience. Familiarity with single data center network with disaster recovery site. Windows Server, Linux and Mac OS system administration familiarity. Familiarity with most of the following and proven experience with a combination of the following: Network monitoring systems (ex: Solarwinds) Sniffer/packet capture tools (ex: Wireshark) SSH and Telnet client and terminal emulator program (ex: SecureCRT) Governance, Risk and Compliance assessments, PCI compliance and audits, or other assessments and audits DNS Contracts, implementations, terminations, and maintenance of Circuits from various circuit providers. Proven analytical skills in all areas of responsibility. Proven troubleshooting skills in all areas of responsibility. Ability to perform the essential functions of the position, with or without a reasonable accommodation. Shelter's uncompromising commitment to excellence doesn't stop with our customers. We recognize our employees are what make us a premier organization in the insurance industry. Shelter Employees enjoy such benefits as: Health, Dental, Voluntary Vision and Prescription Drug Insurance Savings and Profit Sharing 401(k) Paid Time Off for Sick and Personal Leave, Vacation and Holidays Vitality Wellness Program "Dress for Your Day" Dress Code Flexible Scheduling And much more! If interested, please apply by: 02/20/2026 The Shelter Insurance® group of companies is a leader in the insurance industry, providing customers with exceptional insurance and financial products and services. Since opening our doors in 1946, we have become one of the most successful and financially-sound, super-regional insurance groups in the country. We provide a variety of insurance options for our customers including auto, home, life and business insurance. We exist to be a leader in our communities by providing daily value while we SHELTER what matters most. At Shelter Insurance, we value, celebrate, and invest in people. With over 75 years of success, we have built a strong foundation rooted in doing the right thing and making progress that truly matters - for our employees, our customers, and our communities. Our employees are the backbone of our success, which is why we are committed to fostering an inclusive environment, offering competitive benefits and meaningful opportunities for growth and development. We strive to honor our legacy, while innovating for a future full of opportunities. Shelter has a purpose driven culture that centers on: Involvement Within Our Communities Financial Strength & Stability Benefits This is your opportunity to be a part of an incredible company with people who encourage you and will help you grow personally and professionally. We champion diversity and strive to provide opportunities. Our family-oriented culture is one that promotes inclusion and positivity. Together we have achieved the winner of the Award for Best Places to Work since 2017! Shelter Insurance is proud to be Equal Opportunity Employers committed to creating a diverse and inclusive workforce. We consider all qualified applicants without regard to race, religion, color, sex, national origin, age, sexual orientation, gender identity, disability, veteran status, or other legally protected classifications. If you have a disability and require reasonable accommodations for any part of the selection process, we're here to help you out. Please email ShelterJobs@ShelterInsurance.com.

Requirements

Ability to be a subject matter expert for new and existing technologies.
Ability to train peers on technology, take on a leadership role, and work with management.
Familiarity supporting Security initiatives and implementing Security best practices.
Excellent communication and interpersonal skills and be capable of tactical planning and initiative.
Ability to maintain various network systems, hardware and software technologies as indicated above, with some assistance from peers.
Scripting and automation experience.
Familiarity with single data center network with disaster recovery site.
Windows Server, Linux and Mac OS system administration familiarity.
Familiarity with most of the following and proven experience with a combination of the following: Network monitoring systems (ex: Solarwinds) Sniffer/packet capture tools (ex: Wireshark) SSH and Telnet client and terminal emulator program (ex: SecureCRT) Governance, Risk and Compliance assessments, PCI compliance and audits, or other assessments and audits DNS Contracts, implementations, terminations, and maintenance of Circuits from various circuit providers.
Proven analytical skills in all areas of responsibility.
Proven troubleshooting skills in all areas of responsibility.
Ability to perform the essential functions of the position, with or without a reasonable accommodation.

Responsibilities

Collectively responsible for highest level or privileged access to the circuits and network devices that comprise the Shelter network, including firewalls and load balancers, security systems and devices, and all circuits such as WAN/MPLS, internet, replication, and SIP trunks.
Design, implement, and monitor network systems related to: Network routers, switches, firewalls, load balancers, WIFI systems, Circuits: WAN/MPLS, internet, replication, SIP, Network VPN's.
Complete day-to-day administration, monitoring and maintenance related to routers, switches, firewalls, load balancers, packet shapers, wireless systems, and circuits.
Conduct complex troubleshooting and repair tasks on network at a detailed level by device.
Work closely with Security to select, implement, and maintain Security related systems and address Security related incidents/events.
Assure off-site disaster recovery environment is consistently available and participate in semi-annual disaster recovery testing
Maintain infrastructure of a variety of IT Security systems and perform considerable work in the development and implementation of workflows and data integration/transformations associated with those systems.
Manage VPN’s used by employees and agents while monitoring systems to alert on potential issues related to internal network and external circuits.
Work with circuit providers to assure circuits are installed, terminated, and maintained as needed.
Participate in various reviews and audits (ex: PCI compliance, pen tests, security exercises).
Participate in capacity planning ensuring that our systems have the necessary capacity to meet strategic business needs with few or no reliability issues.
Work with 3rd Party Vendors as needed to procure hardware and software solutions, as well as addressing updates and issues after implementation.