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Added 3 mins ago
Sr Validation Engineer (RF, mmWave & Mixed-Signal) - TeraWave
Blue Origin Personnel, LLC
San Diego, CA · Cupertino, CA
…interfaces. As a Senior RF/mmWave & Mixed-Signal Validation Engineer, you prove that silicon works on the bench. You bring up first samples, characterize RF and mixed signal performance…
Added 3 mins ago
Software Engineer II - TeraWave
Blue Origin Personnel, LLC
Cupertino, CA
We are seeking a Software Engineer to join our PoP development team which is the high-performance, fast-path software that powers the TeraWave Point of Presence (PoP).
Added 7 mins ago
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Controls Engineer
GPAC
Glenview, IL
- $85,000 to $98,000 USD / year
Are you a hands-on Controls Engineer who enjoys solving real-world manufacturing challenges? This is an excellent opportunity to take ownership of PLC controls, industrial automation, plant…
Added 8 mins ago
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Staff Software Engineer, Full Stack
Gridware
San Francisco, CA
- $245,000 to $260,000 USD / year
We’re seeking a Staff Software Engineer who will serve as a technical force multiplier and elevate the entire software engineering organization through architectural excellence, mentorship,…
Added 10 mins ago
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Advanced Chemical Engineer- Fired Heaters
Honeywell
Rosemont, IL · Houston, TX
- $104,000 to $149,000 USD / year
Added 10 mins ago
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Advanced Mechanical Engineer - Heat Exchangers
Honeywell
Rosemont, IL · Houston, TX
- $114,000 to $163,000 USD / year
Added 10 mins ago
CD
Building Engineer
California Dental Association
Sacramento, CA
- $74,200 to $92,700 USD / year
Performs the preventative maintenance program for the building as prescribed by the Chief Building Engineer. Including, but not limited to monitoring, maintaining, and exercising…
Added 13 mins ago
Nuclear Uncertainty & Drift Analysis Subject Matter Expert (SME)
Enercon Services, Inc.
Kennesaw, GA · Chattanooga, TN · Charlotte, NC · Naperville, IL · Chicago, IL · Baton Rouge, LA · Palm Beach Gardens, FL · King of Prussia, PA · Overland Park, KS · Huntsville, AL · Kennewick, WA · Morristown, NJ · Aiken, SC · UNAVAILABLE
Previous experience supporting commercial nuclear power plants, engineering consulting organizations, or architect-engineer firms
Added 14 mins ago
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Civil Engineer (Professional Engineer)
GPAC
Charleston, SC
- $90,000 to $130,000 USD / year
A well-established, growing engineering firm, with a location in the area, is looking for a Professional Civil Engineer. They work hard to ensure projects are planned, designed, and managed…
Added 14 mins ago
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Civil Engineer (Professional Engineer)
GPAC
Rockford, IL
- $90,000 to $120,000 USD / year
A well-established, growing engineering firm, with a location in the area, is looking for a Professional Civil Engineer. They work hard to ensure projects are planned, designed, and managed…
Added 15 mins ago
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Civil Engineer (Professional Engineer)
GPAC
Charlotte, NC
- $90,000 to $130,000 USD / year
A well-established, growing engineering firm, with a location in the area, is looking for a Professional Civil Engineer. They work hard to ensure projects are planned, designed, and managed…
Added 16 mins ago
Cloud Efficiency Engineer (AWS/FinOps)
Buildkite
United States
Build guardrails and tooling - attribution, alerting, and cost visibility - so regressions get caught by a system rather than by a quarterly surprise.
Added 16 mins ago
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Mechanical Engineer
GPAC
Sioux Falls, SD
- $35 to $55 USD / hour
A well-established commercial HVAC and building-automation company is seeking a Mechanical Engineer to design constrol systems and Project Manage the instalation.
Added 17 mins ago
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Boiler Engineer
CascadesCanadaULC
PISCATAWAY, NJ
- $36.05 to $38.47 USD / hour
Ability to identify and troubleshoot boiler, pump, burner, and steam system issues.
Added 17 mins ago
Senior Vehicle Power Electronics Engineer
Anduril Industries
Santa Ana, CA · Costa Mesa, CA
…of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of…
Added 17 mins ago
Flight Test Engineer - Space Systems
Anduril Industries
Costa Mesa, CA
…of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of…
Added 18 mins ago
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Glass and Glazing Quality Engineer / Production Engineer
GPAC
Louisville, KY
- $70,000 to $110,000 USD / year
A growing commercial glazing contractor is hiring a Quality Engineer / Production Engineer to own quality from fabrication through installation. You'll report to the Engineering Manager in…
Added 24 mins ago
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Lead Principal Software Engineer, Core Infrastructure
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
…solver, a distributed systems generalist and/or skilled Linux engineer with Systems triage experience able to dive deep into any part of the stack and low-level systems to design broad…
Added 24 mins ago
MS
Licensed Stationary Engineer-Engineering-Mount Sinai Rivington-Part Time/Days (8am-4pm)/Fri-Sun/Rotating Mondays
Mount Sinai Health Systems
New York, NY
- Part-time
DescriptionLicensed Stationary Engineer-Rivington Behavioral Health Center
Added 26 mins ago
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Quality Assurance Engineer - PHP
Eliassen Group
Montpelier, VT
- $40 to $50 USD / hour
Our client seeks a results-driven Senior Quality Assurance Engineer to support Policyholder Portal applications. The role requires manual, automation, mobile, API, and database testing…
Added 28 mins ago
Mechatronics Engineer III
JPL/NASA
Pasadena, CA
…early architecture through design, fabrication, subsystem, and system-level integration and…
Added 30 mins ago
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Lead System Design Engineer
HighRes
Beverly, MA
- $100,000 to $120,000 USD / year
The Lead System Design Engineer (SDE) will be the technical expert for customer facing projects post purchase order. They will be the gating resource for handing a project with finalized…
Added 30 mins ago
Aerodynamicist
Ford
Long Beach, CA · Long Beach
…electric, digital and design teams with our global manufacturing system. Working as one end-to-end organization, we turn ideas into high-quality vehicles, software and experiences across…
Added 31 mins ago
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Water / Wastewater Project Manager, PE - Municipal
GPAC
Sugar Grove, IL
- $110,000 to $145,000 USD / year
Lead underground utility design, system analysis, and hydraulic water modeling
Added 32 mins ago
SO
Environmental Engineer
State of Iowa
Des Moines, IA
- $30.57 to $47.42 USD / hour
Iowa Public Employee Retirement System (IPERS) retirement package with employer match.

Buildkite

Cloud Efficiency Engineer (AWS/FinOps)

United States

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Job details

Posting language: English
Posted: Sep 9, 2026

Original job description

About Buildkite

Buildkite's CI platform is trusted by the world's leading engineering teams, helping ship software used by more than 1 billion people every day. Companies including Canva, Meta, Mistral AI, and NVIDIA rely on Buildkite to run builds, tests, and deployments on their infrastructure, ours, or both - giving them the speed, reliability, and flexibility to ship with confidence.

About the Role

Every build, test, and deployment our customers run costs us something. Right now we can see the top-line number - our AWS and Datadog spend - and we can see revenue. What we can't see clearly enough is the line between them: which operations drive our cost of goods sold, how that changes as customers scale, and which changes would move it. If you’ve been in a similar role but have been frustrated by not being able to go super deep on this and model different categories/scenarios and costs then you’ll be able to scratch that itch here.

Cost questions arrive from the exec team as business questions, and today the answers get assembled part-time by people whose main job is something else. This role is designed to close this gap.

This is a hands-on engineering role, not a reporting one: you'll own Buildkite's cloud efficiency picture end to end - tracing COGS signals down to the tight loop technical drivers that cause them, building the models that explain them, then shipping or driving the changes that bring them down, and proving afterwards that the saving actually landed. You'll report to the VP Engineering Platform and pair closely with him for your first month or two before running with substantial autonomy.

You'll also partner with our CTO, Platform engineering, with the Data team who own the canonical COGS model, and with Finance on the FinOps side. The constraint that makes this interesting is that none of this work can come at the expense of reliability, throughput, or customer experience. Ultimately this role will help us with cost optimisation and directly driving growth through technical efficiency.

Cutting the bill is easy. But cutting the bill without anyone noticing except the CFO is basically the crux of the job.

What You'll Do

Follow the money

Trace cost signals to their technical causes - down to customer-level job costs & state machine changes, GraphQL cost by function, and per-operation unit economics - rather than stopping at service-level totals.
Build and maintain cost models for our most common and most expensive operations, so that when the shape of our traffic changes, we can explain what it does to our margin before the invoice arrives.
Rank the opportunities into a defensible portfolio: expected saving, risk, effort, and who has to be involved.

Ship the fix

Implement safe, measurable optimisations yourself where the change sits in code or configuration you can own.
Partner with the engineering teams who own affected systems on the larger work, bringing them evidence rather than an edict.
Drive Datadog and observability efficiency alongside AWS - the second-biggest lever, and often the faster one.

Prove it landed

Establish a credible baseline before every change and verify realised savings after it, in production, with numbers you'll stand behind in front of the exec team.
Build guardrails and tooling - attribution, alerting, and cost visibility - so regressions get caught by a system rather than by a quarterly surprise.
Translate between engineering and Finance in both directions, so the questions Finance asks get technical answers and the changes engineering makes get financial ones.

This Is You If...

You've delivered meaningful, measured AWS savings in a scaled production environment - and you can walk us through one in detail: the baseline, the diagnosis, what you changed, the trade-offs you accepted, and the verified result.
You're a working engineer. You read code, write code, and ship changes; you're not handing findings over a wall for someone else to implement.
You're strong at systems diagnosis - you can take an ambiguous signal ("storage costs jumped 30% last month") and work it down to a precise cause.
You have sound trade-off judgement and you use it. You know which savings aren't worth the reliability risk, and you say so.
You can influence teams you don't manage, because the change that saves the most money will almost always live in someone else's system.
You stand behind your numbers. Whatever methodology you use - and we fully expect you to use AI heavily here - you know how to go from a result of something produced to proof that it's actually true.

Bonus Points If...

None of these are required - bring some, learn the rest here.

You've done Datadog or observability cost optimisation specifically.
You have FinOps engineering experience, or have worked closely with a finance function on unit economics and cost attribution.
You've built granular cost attribution or automated cost guardrails from scratch.
You've worked with GraphQL at scale, or on developer tooling, CI/CD, or cloud infrastructure products.
You come from a scaled SaaS, platform, or observability organisation with a material AWS footprint.
You've got a finance or commercial background alongside the engineering one - this role rewards being fluent in both.

We're deliberately open on background here. If you haven't held a cloud efficiency or FinOps title before but this problem is the one you'd most like to be handed, apply.

Benefits

Work from anywhere in the world for up to 6 weeks a year, on top of a fully remote setup - great work doesn't have to happen from one desk.
20 days paid annual leave plus 10 days sick & carer's leave - actively encouraged, we want you to be at your best and time off is a part of that.
16 weeks paid parental leave for primary carers (6 for secondary) - becoming a parent is life changing and we're committed to supporting you and your family through it.
A remote-work allowance for home-office kit, co-working, or working elsewhere - we want you to have everything you need to be set up for success in your role.
Confidential EAP & mental health support - sometimes life gets hard. You should be able to access the resources and support you need.
Support for learning and growth - with time and budget for conferences, courses, and coaching so you have the opportunity to grow, improve your craft, and build mastery.
Retirement and health coverage (based on your region) - build towards your future, your way.

Exact benefits may vary slightly by country. We'll walk through the specifics for your location.

Like all of Buildkite, this role is 100 % remote, however it does need to be located in either the ANZ or PST timezone.

What Happens Next

Every application gets a response. If this is the sort of problem you've been waiting for someone to hand you, apply. If you'd like to ask questions first, reach out - we'd rather have the conversation than have you guess.

🌈 Equal Opportunity Employer

At Buildkite, we value diversity and celebrate all types of skills, backgrounds, and experiences. We’re dedicated to fostering an inclusive environment and providing reasonable accommodations throughout our recruitment process.

If you need any accommodations or support during the application or interview process, please reach out to us at accommodations@buildkite.com.

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Skills

AWS
Datadog
Customer experience
GraphQL
CI/CD

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