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Operational Technology Security
Indigo Beam
Monaca, PA
Our client is seeking an experienced Operational Technology (OT) Security contractor to keep site OT assets running safely, reliably, and securely. This is a hands-on run-and-maintain role.
Added 1 min ago
Systems Engineer - Patch Management (Linux/Windows)
World Wide Technology
Maryland Heights, MO
…system platforms. The Infrastructure Patch & Vulnerability Engineer is a mid-level technical role focused on strengthening infrastructure security posture through disciplined patching,…
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Senior Product Manager
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- Enterprise Platform. Can our enterprise customers run agent workloads on KERNEL at scale, within their security and compliance requirements? Some things you might work on: offering data…
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Software Systems Quality Engineer (Compliance) in AZ
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United States
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Added 6 mins ago
Software Systems Quality Engineer II - Huntsville, AL
RTX
United States
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Added 6 mins ago
Systems Engineering Manager (ONSITE)
RTX
United States
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
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Software Systems Quality Engineer (Compliance)
RTX
United States
The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
Added 6 mins ago
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Software Engineer Intern, Software Systems [Summer 2027]
Zoox
Foster City, CA
- $6,500 to $9,500 USD / month
Software Core: Develops the middleware, networking and sensor tooling that connect vehicle software components.
Added 7 mins ago
HPC Operations Engineer
LLNL
Livermore, CA
Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.
Added 9 mins ago
Principal Firmware Engineer
Pelco, Inc.
Fort Collins, CO
…develop, test, and maintain software for our cutting-edge video security products. You will participate in the full software development lifecycle, from initial coding to system integration…
Added 11 mins ago
Cloud Associate
Rooms To Go Corporate
Seffner, FL
…You will work closely with our development, operations, and security teams to ensure smooth and efficient deployment processes, reliable infrastructure, and robust monitoring systems. In…
Added 11 mins ago
IC
Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Denver, CO
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
IC
Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Oakland, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
IC
Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Reno, NV
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Sacramento, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Los Angeles, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Dallas, TX
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
IC
Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Phoenix, AZ
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
Seattle, WA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
San Diego, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
IC
Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
San Francisco, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 11 mins ago
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Senior Identity and Microsoft 365 Systems Engineer
Innovation Consulting
San Jose, CA
- $85 to $105 USD / hour
Design, implement, and support Azure and hybrid cloud infrastructure, including networking, compute, storage, identity, security, and connectivity services.
Added 12 mins ago
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Sr. Network Engineer
Rush Enterprises
New Braunfels, TX
- $147,205 USD / year
The Senior Network Engineer serves as the technical lead for the company's network infrastructure, managing complex initiatives across LAN/WAN, SD-WAN, wireless, security, and cloud…
Added 12 mins ago
Embedded Software Engineer IV
Wabtec
Germantown, MD
As an Embedded Software Engineer, you will collaborate with cross-functional engineering teams to design, develop, and maintain embedded software solutions for industrial electronics…
Added 13 mins ago
Cardiology Application Support Engineer
NTT America, Inc.
Frisco, TX
We are currently seeking a Cardiology Application Support Engineer to join our team in Frisco, Texas (US-TX), United States (US).

Closed listing

Amazon

Senior System Dev Engineer , Data Center Engineering

Austin, TX, United States

This opening has closed.

The original listing is kept below for reference.

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About employer

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

About employer

More about this job

Skills

AWS
Supply chain management
CODESYS
Software development
Control systems
PLC
Root cause analysis
Process improvement
Cloud computing
Modern languages
C++
C#
Oracle Java
Python
Go
Microsoft PowerShell
Ruby
Linux
UNIX
Debugging
Meet deadlines
Communication skills
Recruitment
Mental health

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