Senior Infrastructure Engineer

Together Credit Union; St. Louis (MO); Hybrid; USD 120,000 - 150,000; Full time

Job summary

Together Credit Union is seeking a Senior Infrastructure Engineer to design, implement, and optimize infrastructure across on-premises, cloud, and hybrid environments. You will drive security, reliability, and performance while partnering with MSPs, vendors, and internal teams to meet compliance and operational goals.

The role emphasizes leadership, incident response, and lifecycle management of complex infrastructure solutions across compute, storage, network, and cloud platforms.

Qualifications

• 3+ years of infrastructure support including design and incident resolution.

Responsibilities

• Designs and implements infrastructure solutions that strengthen security, connectivity, performance, and resiliency.

Skills

Infrastructure design

Cloud environments

Security & resilience

Troubleshooting complex infra

Vendor coordination

Education

Bachelor's degree in IT/CS/Engineering

5+ years enterprise infra experience

Tools

VMware

AWS/Azure

Networking & DNS

Active Directory/Identity

Job description

Job Title: Sen ior Infrastructure Engineer

Reports To : Senior Manager, Technology Infrastructure

FLSA Status: Exempt

Job Family: Technical

Job Level: Senior

Job Overview

The Senior Infrastructure Engineer designs, maintains , and improves infrastructure platforms and services across on-premises, cloud, and hybrid environments. This role applies advanced technical knowledge to resolve complex infrastructure needs, strengthen security and resiliency, and improve the reliability and performance of technology environments. The position partners with internal teams, managed service providers, and vendors to evaluate solutions, advance technical practices, and align infrastructure services with organizational, operational, and compliance requirements.

Responsibilities

The intent of this job description is to provide a representation of the types of duties and level of responsibilities required of this position and is not intended to be an exhaustive list of all responsibilities, duties, and skills. Team members may be directed to perform job-related tasks others than those specifically stated in this description.

• Designs and implements infrastructure solutions that strengthen security, connectivity, performance, and operational resiliency
• Serves as a primary technical liaison with managed service providers, technology partners, and vendors to review recommendations, address technical issues, and maintain service and operational requirements
• Leads technical triage and resolution efforts for major infrastructure incidents, including stakeholder communication, escalation, troubleshooting, and root cause analysis
• Coordinates resolution of complex infrastructure vulnerabilities through patching, validation, risk assessment, and remediation activities performed internally and through managed service providers
• Provides advanced technical support and oversight for infrastructure platforms, including virtualization, cloud, compute, storage, network, and collaboration technologies
• Designs, implements, and manages the lifecycle of complex infrastructure solutions across on-premises, cloud, and hybrid environments
• Strengthens infrastructure reliability, availability, and recoverability through monitoring, capacity planning, vulnerability remediation, backup, and disaster recovery practices
• Coordinates and executes technical workstreams for infrastructure projects, coordinating with vendors, internal teams, business stakeholders, and managed service providers
• Provides technical guidance and mentorship to team members and promotes knowledge sharing and operational excellence
• Designs and supports integrations between cloud, on-premises, and third-party technology platforms
• Develops, automates, and tests integration processes and operational improvements that increase the efficiency and reliability of technology deployments and infrastructure services

Minimum Required Qualifications

An equivalent combination of education, training, and experience will be considered.

• High school diploma or equivalent
• 3+ years of experience supporting infrastructure environments, including infrastructure design, administration, systems integration, incident resolution, and/or relevant transferable experience

Preferred Qualifications

• Bachelor's degree in Information Technology, Computer Science, Information Systems, Engineering, or related field, or equivalent combination of education and experience
• 5+ years of experience supporting enterprise infrastructure environments
• Industry certifications related to cloud, infrastructure, networking, virtualization, security, or IT service management

Knowledge, Skills, and Abilities (KSAs)

A representation of the knowledge, skills, and abilities necessary to perform this job competently.

• Advanced knowledge of infrastructure technologies, including compute, storage, networking, virtualization, cloud services, identity, and hybrid environments
• Knowledge of infrastructure architecture, system interdependencies, resiliency, disaster recovery, backup, and technology lifecycle practices
• Knowledge of information security, vulnerability management, access controls, risk mitigation, and technology governance practices
• Skilled in diagnosing and resolving complex technical issues across interconnected infrastructure technologies
• Skilled in analyzing technical information to identify dependencies, risks, root causes, and appropriate solutions
• Skilled in evaluating infrastructure technologies and recommending solutions based on technical and business requirements
• Skilled in developing technical standards, documentation, and operational practices
• Skilled in communicating complex technical information to technical and non-technical audiences
• Ability to exercise independent judgment when addressing complex or ambiguous technical problems
• Ability to prioritize competing technical needs, incidents, projects, and operational responsibilities

Environmental or atmospheric conditions commonly associated with the performance of this job’s functions.

• Flexible remote or hybrid (combination of remote & onsite) work environment; requires regular use of online tools, systems, and collaboration platforms
• General office setting when working onsite
• Participation in an on-call rotation requiring availability for after-hours escalation and response as needed
• Occasional work outside of traditional business hours, including evenings and weekends, to support technology deployments, maintenance, and operational or business needs
• Attendance at offsite meetings, events, or conferences as needed

Physical Abilities

The physical demands described below are representative of those that must be met by an employee to successfully perform this job’s essential functions. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

• Ability to work at a computer in a stationary position for up to 8 hours per day
• Ability to occasionally carry light materials (e.g., laptop, equipment)
• Ability to travel for business by car or air and stay in public accommodations as needed

Union is an Equal Opportunity employer. The Credit Union complies with appropriate federal, state, and local laws and provides equal employment opportunities without regard to race, color, religion, gender, age, sexual orientation, gender identity or expression, national origin, military orveteran status, disability (including pregnancy), genetic information, or any other protected status to all qualified applicants and employees. Together Credit Union is committed to a policy of non-discrimination and dedicated to providing a positive discrimination-free work environment.