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# Senior Systems Administrator

- **Company:** Veralto Corporation
- **Location:** Ames, IA, United States
- **Experience:** Expert
- **Salary:** $95,000.0 - $105,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Cyber Security, Information Systems, Data Centers, Dynamic Host Configuration Protocol, Disaster Recovery, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Domain Name System (DNS), Windows Servers, Public Key Infrastructure, Windows PowerShell, Virtualization Technology, Sender Policy Framework (SPF), Information Technology, Vmware
- **Published:** August 8, 2026
- **Apply:** https://www.juju.com/job/00000000gm6wgp

## About the Role

Motivated by the highest possible stakes in climate change and global health, we're working together within a rapidly digitizing industry to find innovative technologies that guarantee the safety of our water and our environment. More about us: https://www.hach.com/about-us, + Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent practical experience.

 + 6+ years of hands-on infrastructure engineering, systems administration, or platform operations experience in a regulated or business-critical enterprise environment.

 + Deep technical experience with Windows Server, Active Directory, DNS/DHCP, Group Policy, and VMware/virtualization platforms.

 + Proven hands-on experience with SSL/TLS certificate lifecycle management, PKI workflows, and email authentication standards (DKIM, SPF, DMARC).

 + Direct experience with external security vulnerability remediation and advanced PowerShell scripting/automation.

## Description

Reporting to the **Sr. Manager, Application Infrastructure** , the **Senior Systems Administrator** is responsible for the design, implementation, operation, security, and continuous improvement of critical infrastructure services that support Hach and Water Quality operating companies. This role owns core platform services-including DNS, certificate lifecycle management, email authentication, Windows/virtualization platforms, and external security vulnerability remediation-driving operational reliability, compliance, and business continuity.

This position is part of the **Hach IT - Application Infrastructure** department located in **Ames, IA** or **Loveland, Colorado** and will be **hybrid** **.**

In this role, a typical day will look like:

 + Administering andmaintainingWindows Server, Active Directory, VMware/virtualization, storage, and site/datacenter infrastructure platforms.

 + Owning internal and external DNS services, domain registrar activities, and DNS-based email authentication controls (DKIM, SPF, DMARC).

 + Managing end-to-end SSL/TLS certificate lifecycle management (CSRs, issuance, renewals, PKI support).

 + Investigating and remediating external attack surface findings and high-risk vulnerabilities in partnership with SecOps and Global Security teams.

 + Developing PowerShell scripts to automate repetitive infrastructure tasks andsupportingbackup and disaster recovery operations.


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