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Senior Infrastructure Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Together Credit Union
Full Time position
Listed on 2026-10-04
Job specializations:
  • IT/Tech
    Systems Engineer, IT Infrastructure, Cloud Computing: Infrastructure & Operations, Disaster Recovery IT
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

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 work streams 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…
Position Requirements
10+ Years work experience
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