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Added 1 min ago
Telecommunications Engineer 4 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
We are seeking a Telecommunications Engineer 4 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that…
Added 1 min ago
Telecommunications Engineer 2 - San Antonio, TX
M.C. Dean, Inc
San Antonio, TX
The Mission Critical Telecommunications Engineer 2 supports Department of the Air Force (DAF) inside plant (ISP) and outside plant (OSP) telecommunications infrastructure engineering,…
Added 1 min ago
Telecommunications Engineer 3 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
We are seeking a Telecommunications Engineer 3 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that…
Added 1 min ago
Telecommunications Engineer 2 - Tysons, VA
M.C. Dean, Inc
Tysons, VA
The Mission Critical Telecommunications Engineer 2 supports Department of the Air Force (DAF) inside plant (ISP) and outside plant (OSP) telecommunications infrastructure engineering,…
Added 1 min ago
Deployment Network Engineer 4
M.C. Dean, Inc
Springfield, VA
We are seeking a Deployment Network Engineer 4 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that…
Added 1 min ago
Telecommunications Specialist 2 (Technical Specialist 2) - Tysons, VA
M.C. Dean, Inc
Tysons, VA
…structured cabling. The specialist works under the direction of senior telecommunications engineers and grows toward independent ownership of assigned…
Added 1 min ago
Telecommunications Specialist 4 (Technical Specialist 4) - Tysons, VA
M.C. Dean, Inc
Tysons, VA
…engineering deliverables before they go to the project's lead engineer for Government submittal. The specialist is a primary technical interface to the Government program office, base…
Added 1 min ago
Telecommunications Specialist 2 (Technical Specialist 2) - San Antonio, TX
M.C. Dean, Inc
San Antonio, TX
…structured cabling. The specialist works under the direction of senior telecommunications specialist and grows toward independent ownership of…
Added 11 mins ago
2027 Summer Intern: Wireless Engineer I
Spectrum
Greenwood Village, CO
…ensuring documentation completeness for peer review. - Assist with network monitoring gap analysis by cross-referencing device inventories against monitoring platforms (Aletheia, Splunk,…
Added 11 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 16 mins ago
Senior Systems Administrator
Koniag Government Services
Fort Belvoir, VA
The Systems Admin will provide senior technical leadership for secure enterprise systems administration, virtual infrastructure, identity management, storage, and hosted mission…
Added 16 mins ago
Principal Cloud Security Engineer
Koniag Government Services
Washington, DC
Koniag Technology Solutions, Inc a Koniag Government Services company, is seeking a Principal Cloud Security Engineer with a Secret security clearance to support KTS and our government…
Added 16 mins ago
Network Engineer T4
Koniag Government Services
Washington, DC
The Network Engineer T4 provides advanced network engineering support within CLIENT's enterprise IT environment. Working under the direction of the Network Engineer T4 (Lead) and Senior…
Added 16 mins ago
Network Engineer T4 (Lead)
Koniag Government Services
Washington, DC
The Network Engineer T4 (Lead) is a key personnel position responsible for providing the highest level of network engineering expertise in support of the CLIENT's enterprise IT environment.…
Added 16 mins ago
Senior Network Engineer T4
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Senior Network Engineer T4 to support KITS and our government customer Washington, DC. This position requires the…
Added 16 mins ago
Zscaler Integration Engineer - Mid
Koniag Government Services
Washington, DC
The ideal candidate is a technically proficient and security-focused cloud security engineer with solid, hands-on experience across key Zscaler platforms - including Zscaler Internet Access…
Added 16 mins ago
Jr Palo Alto Integration Tech
Koniag Government Services
Washington, DC
The Palo Alto Integration Technician (Junior) will serve as a supporting technical contributor within the program's network security team, assisting mid-level and senior Palo Alto Networks…
Added 16 mins ago
Sr Palo Alto Integration Engineer
Koniag Government Services
Washington, DC
…Services company, is seeking an experienced Palo Alto Integration Engineer (Senior) to support enterprise network security operations and IT administrative and operational support services…
Added 16 mins ago
Palo Alto Integration Engineer - Mid
Koniag Government Services
Washington, DC
The ideal candidate is a technically proficient and security-focused network security engineer with solid, hands-on experience across key Palo Alto Networks platforms - including…
Added 16 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 16 mins ago
Sr Entra ID Integration Engineer
Koniag Government Services
Washington, DC
The Entra ID Integration Engineer (Senior) will serve as the program's primary subject matter expert and technical authority for all Microsoft Entra ID platform capabilities, leading the…
Added 16 mins ago
Senior Application Operations Engineer
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Senior Application Operations Engineer to support KITS and our government customer Washington, DC. The position is…
Added 16 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 16 mins ago
End-User Computing (EUC) Engineer
Koniag Government Services
Washington, DC
Coordinate with the Network Engineer T4 team on network requirements for endpoint management infrastructure
Added 16 mins ago
Senior Security Engineer
Koniag Government Services
Smyrna, GA
Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Senior Security Engineer with a Secret security clearance to support KITS and our government customer in Smyrna,…

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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