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Added 13 mins ago
UG
Senior Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
As a Senior Software Engineer on the OCPN Cloud Platform Team, you will drive the architecture, technical design, development, delivery, and operationalization of cloud-native, resilient,…
Added 15 mins ago
SO
IT System Administration - Senior/Specialist
State of Washington
Olympia, WA
- $8,522 to $11,460 USD / month
This DevOps Engineer reports to the DevOps Architect and provides technical guidance to other DevOps engineers, with a focus on Linux systems and automation. The position works closely with…
Added 19 mins ago
AL
Senior Data Engineer
Absentia Labs
San Francisco, CA · Boston, MA · New York City, NY · Seattle, WA · San Jose, CA · Austin, TX
- $125,000 to $160,000 USD / year
As a Senior Data Engineer, you will own the design and evolution of Absentia Labs’ biomedical data platform. You will operate with a high degree of autonomy, making long-horizon…
Added 21 mins ago
Senior Civil Engineer
Arcadis
Highlands Ranch · Phoenix · Salt Lake City
Arcadis is seeking a Senior Civil Engineer to join our team in one of the following areas: Denver, Colorado; Phoenix, Arizona; or Salt Lake City, Utah. This position will provide senior…
Added 26 mins ago
A
Strategic Business Development Lead, Private Equity
Aleph
Remote, United States
- $159,800 to $225,000 USD / year
Aleph is an AI-native platform for Financial Planning & Analysis (FP&A), an established software category with a multi-billion market but no clear winner. We’re trying to solve a problem…
Added 28 mins ago
2027 Summer Intern: Software Engineer - P&T
Spectrum
Maryland Heights, MO
Build connections with team members and senior leaders who can help you better understand our business and what it’s like to work here.
Added 31 mins ago
Senior R&D Test Engineer - Electrical
Stryker Employment Company, LLC
Flower Mound, TX
As a Senior R&D Test Engineer, Electrical, you'll work closely with electrical, software, firmware, and systems engineers to evaluate new product designs, troubleshoot technical challenges,…
Added 32 mins ago
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Mechanical / Plumbing Design Engineer
GPAC
Saint Louis, MO
- $75,000 to $150,000 USD / year
Career Advancement – Clear opportunities to grow into Senior Engineer, Project Manager, or leadership roles.
Added 33 mins ago
Systems Engineer
Koniag Government Services
Fort Lee, VA
The Systems Engineer will join our product support team as an early-career engineer working on system integrations and product upgrades. You’ll help turn customer and stakeholder needs into…
Added 33 mins ago
Junior Software Engineer
Koniag Government Services
Washington, DC
Koniag IT Solutions, a Koniag Government Services company, is seeking a Junior Software Engineer with a TS/SSBI SCI eligibility a to support KITS and our government customer in Washington,…
Added 33 mins ago
Jr Palo Alto Integration Tech
Koniag Government Services
Washington, DC
Support the execution of Palo Alto Networks platform software updates, security content updates, and application and threat signature updates under senior engineer direction, following…
Added 33 mins ago
Okta Identity Developer - Mid
Koniag Government Services
Washington, DC
The ideal candidate is a technically proficient and development-focused identity engineer with solid, hands-on experience developing custom Okta integrations, identity automation workflows,…
Added 33 mins ago
Harness/Traceable Integration Engineer (Senior)
Koniag Government Services
Washington, DC
The Harness/Traceable Integration Engineer (Senior) will serve as the program's primary subject matter expert and technical authority for all Harness and Traceable platform capabilities,…
Added 33 mins ago
SaaS Platform Administrator
Koniag Government Services
Washington, DC
…SaaS administration tasks and escalate complex issues to the Senior Application Operations Engineer or Applications & Integration Lead as…
Added 33 mins ago
End-User Computing (EUC) Engineer
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC, a Koniag Government Services company, is seeking an End-User Computing (EUC) Engineer to support KITS and our government customer in Washington, DC. This position…
Added 33 mins ago
Senior Software Engineer
Koniag Government Services
Washington, DC
Kadiak, LLC, a Koniag Government Services company, is seeking a Senior Software Engineer with a Top-Secret security clearance to support Kadiak and our government customer in Washington, DC.
Added 33 mins ago
Senior .Net Full-Stack Developer
Koniag Government Services
Washington, DC
Kadiak, LLC is seeking a Senior .Net Full-Stack Developer with a Top-Secret Clearance in Washington, DC to design, development, testing, and management of application development projects…
Added 33 mins ago
Principal Network/ Systems Engineer
Koniag Government Services
Fort Lee, VA · Carson, CA · Columbus, OH · Bedford, MA · Smyrna, GA
The Principal Network/ Systems Engineer is responsible for the senior-level engineering execution of complex migrations, high-stakes troubleshooting, and the hands-on integration of…
Added 33 mins ago
Senior Active Directory (AD) Engineer
Koniag Government Services
Fort Lee, VA · Carson, CA · Columbus, OH · Bedford, MA · Smyrna, GA
Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Senior Active Directory (AD) Engineer to support KITS and our government customer in Carson, CA. This position is…
Added 33 mins ago
Sr. Web/Mobile Developer (REMOTE)
Koniag Government Services
Albuquerque, NM
…and cross-platform mobile experiences. We are looking for a senior-level engineer who can seamlessly span across the front-end user experience and middle-tier application logic. Operating…
Added 33 mins ago
Sr. AI Technical Lead & Data Developer (REMOTE)
Koniag Government Services
Albuquerque, NM
Koniag Professional Services, LLC, a Koniag Government Services is seeking a Senior AI Technical Lead & Data Developer to support a critical federal modernization initiative for the…
Added 33 mins ago
Senior Developer & DBE (REMOTE)
Koniag Government Services
Albuquerque, NM
Koniag Professional Services, LLC, a Koniag Government Services company, is seeking a Senior Developer & Database Engineer (DBE) to join a development team supporting a Federal client with…
Added 33 mins ago
NPE Governance Study Lead Engineer (Study 2) (REMOTE)
Koniag Government Services
Washington, DC
The NPE Governance Study Lead Engineer will serve as the primary technical authority for Study 2 of the DAF ICAM System Enhancement Studies effort, leading the analysis, governance…
Added 33 mins ago
Senior AWS DevOps Engineer - AWS, Kubernetes, HCP, CI/CD, Observability with AI-focus (REMOTE)
Koniag Government Services
Washington, DC
Koniag Professional Services, LLC a Koniag Government Services company, is seeking a Senior AWS DevOps Engineer - AWS, Kubernetes, HCP, CI/CD, Observability with AI-focus to support KPS and…
Added 33 mins ago
Senior Microsoft Infrastructure Administrator (REMOTE)
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Senior Microsoft Infrastructure Administrator to support KITS and our government customer Washington, DC. The…

Closed listing

Amazon

Senior System Dev Engineer , Data Center Engineering

Herndon, VA, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Posting language: English
Posted: Oct 21, 2026

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Original job description

Archived listing. The details below describe a past opening.

Description

AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we’re looking for talented people who want to help.

You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.

Amazon's Data Center Engineering organization, within the Controls Design eXecution (CDX) org, is seeking a Senior Systems Development Engineer (SysDE) to join our Mechanical Controls development team. In this role, you will design, develop, deploy, and scale control systems software on the CODESYS platform that runs the mechanical infrastructure of AWS data centers - the systems that keep our facilities cool, efficient, and reliable. You will work at the intersection of software development and physical infrastructure, developing the control logic for the newest generation of in-house mechanical controllers. As the controller components you develop go into their first-of-kind builds, you will occasionally travel on-site (approximately 15%) to provide real-time break/fix support and validate your work in the field.

Key job responsibilities

Design, develop, and maintain mechanical control systems software on the CODESYS (IEC 61131-3) PLC platform for AWS data center infrastructure.
Develop and refine control logic, function blocks, and Sequences of Operations (SOO) to meet performance and reliability requirements across varied site types and equipment vendors.
Perform triage, root-cause analysis, and remediation of control system issues.
Support first-of-kind builds - the first field deployment of a newly developed controller component - including occasional on-site travel to provide real-time break/fix support.
Partner with our electrical controls counterparts, Controls Design Engineering, Field Engineering, and other Data Center Engineering teams to develop the next generation of controllers.
Document control system designs, configurations, and sequences of operation.
Participate in design reviews and contribute to continuous improvement of controls development standards and tooling.
Participate in an on-call rotation to provide escalation support for critical control system issues.

About the team

Why AWS

Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating - that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Diverse Experiences

Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

Work/Life Balance

We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.

Inclusive Team Culture

Here at AWS, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness.

Mentorship and Career Growth

We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

Basic Qualifications

2+ years of programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby experience
4+ years of non-internship professional software development experience
4+ years of designing or architecting (design patterns, reliability and scaling) of new and existing systems experience
4+ years of systems development in an IT or data center environment experience
4+ years of deploying and operating in a Linux/Unix environment experience
5+ years of experience developing, debugging, and maintaining PLC-based control systems, including experience with the CODESYS platform (Structured Text, Function Block Diagram, or other IEC 61131-3 languages).

Preferred Qualifications

Experience taking a leading role in building complex software or computing infrastructure that has been successfully delivered to customers
Can work proactively and independently, meet deadlines, and deliver on projects and tasks
Familiarity with Building Management Systems (BMS), industrial communication protocols (Modbus, BACnet, EtherCAT), and IPC/PAC/PLC hardware.
Experience developing control logic for mechanical infrastructure (air handling units, chilled water systems, liquid cooling, pumps, VFDs, or similar).

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits .

USA, TX, Austin - 151,200.00 - 204,600.00 USD annually

USA, VA, Herndon - 151,200.00 - 204,600.00 USD annually

USA, WA, Seattle - 151,200.00 - 204,600.00 USD annually

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