Top 23 As/400 Systems Engineer Jobs

Full-Stack Engineer
Purple Unicorn —San Francisco, CA
- $120,000 - $150,000 a year
- Full-time
- Mid-level
- Office
- US work authorization
- Paid time off
Quick Apply
Infrastructure Engineer (ETL Administrator )
PNC Financial Services Group —Birmingham, AL
- $55,000 - $152,375 a year
- Full-time
- Mid-level
- 3 years
- Bachelor's degree
- Wellness program
- Health savings account
Senior IT Solutions Analyst (EDI)
Penske Truck Leasing and Logistics —Beachwood, OH
- Monday to Friday
- Computer science
- Computer Science
- Office
Engineer 2 Supply Chain WMS
Catalyst Brands —Enfield, CT
- $96,525 - $254,475 a year
- Full-time
- Hybrid work
- Microsoft Access
- 5 years
- Bachelor of Science
Senior Quality Engineer, Warehousing
Crate and Barrel —Remote
- $100,000 - $125,000 a year
- Email
- Remote
- Computer science
- Computer Science
- 8 years
- Store discount
- Disability insurance
Forward Deployed Engineer
Purple Unicorn —San Francisco, CA
- $120,000 - $150,000 a year
- Full-time
- Customer service
- ERP systems
- Mid-level
- Health insurance
- 401(k)
Quick Apply
Senior IT Enterprise Applications Software Quality Engineer
Academy Sports —Katy, TX
- Full-time
- Microsoft Excel
- Computer Science
- Writing skills
Head of iSeries
Caesars Entertainment —Las Vegas, NV
- Weekends as needed
- Remote
- Background check
- 5 years
- SQL
Network Architect (Senior Data Communications Engineer)
Performance Search Partners —Davidson, NC
- 7 years
- Research
- Mentoring
Quick Apply
IT Systems Engineering Manager
Oneida Innovations Group —Verona, NY
- $120,000 - $140,000 a year
- Full-time
- Hospitality
- Azure
- 6 years
- Paid holidays
- Health insurance
Quick Apply
Junior Developer
Phoenix Metals Company —Peachtree Corners, GA
- Full-time
- Computer Science
- Bachelor's degree
- Continuous improvement
Mechanical Engineer I
Chemcut —State College, PA
- Overtime
- Microsoft Excel
- Office
- Analysis skills
11d
Sr. JDE CNC (Configurable Network Computing)
Atkore —Mokena, IL
- $112,640 - $154,880 a year
- Computer science
- Computer Science
- 11+ years
- Paid holidays
- Disability insurance
Quick Apply
SENIOR SOFTWARE ENGINEER (Inventory Systems)
Sally Beauty Holdings —Plano, TX
- 7 years
- Office
- Residential
- Store discount
- Paid holidays
PCB Designer II - MMIC
Mini-Circuits —Melville, NY
- $85,000 - $100,000 a year
- Full-time
- Schematics
- Ability to walk for extended periods
- English
Quick Apply
Mechanical Engineer II
Chemcut —State College, PA
- Overtime
- Microsoft Excel
- Customer service
- Mid-level
11d
Materials Manager
Flex-N-Gate —Southfield, MI
- Full-time
- 5 years
- Word processing
- Computer literacy
- Paid holidays
- Disability insurance
Quick Apply
14d
Senior IBM i (AS/400 / iSeries) Systems Engineer
Delan Associates, Inc —Phoenix, AZ
- Contract
- Computer science
- Computer Science
- 5 years
Quick Apply
17h
Software Engineer III - IBM i (AS/400) Engineer
JPMorganChase —Plano, TX
- Full-time
- System design
- 3 years
- Java
- Health insurance
- Tuition reimbursement
2d
Mission Control Operator
Walgreens —Williamston, SC
- $19.80 - $24.16 an hour
- Weekends as needed
- Microsoft Outlook
- Mid-level
- High school diploma or GED

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Full-Stack Engineer

Purple Unicorn
San Francisco, CA

Quick Apply

Job Details

Full-time
$120,000 - $150,000 a year

Benefits

Paid time off

Qualifications

Software engineering
Data Integration (Data management)
Mid-level
Solution architecture design
AS400
Developing and maintaining backend systems
Real-time data processing implementation
User-facing feature development

Full Job Description

Purple Unicorn, on behalf of SalesPatriot (https://www.salespatriot.com/), is hiring an Full Stack Engineer.

Non-negotiable: ALL ROLES ARE ON-SITE IN SAN FRANCISCO. IN ORDER TO BE CONSIDERED YOU MUST BE LOCAL OR WILLING TO MOVE

*** Must be authorized to work in the US***

About Sales Patriot:

At SalesPatriot, we are more than a software tool—we carry forward a proud legacy of service and innovation. Our grandfathers and great-grandfathers fought in World War II & Vietnam as soldiers and fighter pilots, safeguarding the values and liberties that define our nation. Through our expertise in defense contracting, software development, and AI, we honor their legacy by contributing to the modern-day arsenal of democracy, helping those who build and innovate keep our country strong.

SalesPatriots Mission:
**America's defense industrial base runs on infrastructure from the 1980s. Distributors managing the supply chain and billions in critical component level assemblies still rely on manual processes to connect email threads, supplier quotes, government solicitations, and ERP systems. This fragmented infrastructure forces distributors to choose between growth and operational efficiency—they can't scale without proportionally increasing headcount.

SalesPatriot eliminates the operational constraints holding back America's defense industrial base. We replace fragmented manual processes with unified AI-powered infrastructure, transforming how contractors handle procurement workflows. Our mission: eliminate supply chain bottlenecks so critical defense components—from F-35 bearings to Blackhawk rotor hubs—can be procured in days instead of months, ensuring America's defense readiness isn't constrained by administrative delays.

Quick Facts:

YC W25 company, top 5% growth in our batch
Serving 1,231+ manufacturers with upper-6-figure ARR in 3 months (now at 1M ARR)
Founded by 3 technical founders who don't mess around - we value strong opinions and people who aren't afraid to be wrong.
The entire team is in our new headquarters in SF; we co-live (seriously). We move fast, we build fast, and we want people who thrive in the chaos.
We're not a cushy 9-5. We're here to transform the American industrial sector and we need folks who share that get-stuff-done mentality.

What you'll work on:

Build end-to-end: Architect the platform foundation that powers client solutions. Design data ingestion pipelines that handle any format our field team encounters—from standard CSVs to obscure AS/400 exports to real-time SAM.gov (http://sam.gov/) feeds. Your infrastructure automatically scales field innovations into platform capabilities serving thousands of manufacturers and distributors.
Develop features at lightning speed: spin up new workflows (like email ingestion) and create intuitive dashboards so manufacturers can bid on multi-million-dollar contracts in a few clicks.
Ship daily: code, test, iterate, repeat. speed is everything
Full ownership: front-end, back-end, devops—you'll wear all the hats and solve all the problems.

Who you are

Full-stack: you're comfortable jumping between front-end and back-end architecture. We value speed of learning over past experience
Thrives on Intensity: slow, easy projects bore the hell out of you.
Scrappy/ Problem Solver : you are not above rolling up your sleeves and doing boring tasks if that's what it takes. When facing larger problems, you won't always know the answer — but you'll work your ass off to find a solution.
Opinionated but intellectually honest: You speak up when something's off and stay open to being proven wrong.
On the Ground in SF: you're ready to be here in person working at our HQ, building a solution that could reshape an entire industry.

Why Join?:

True founding experience: Shape everything from culture to product roadmap to our next hires.
Meaningful equity: We're building a rocket ship, and you'll own a real chunk of it.
Direct impact: Your code will literally influence America's defense readiness, shape the supply chain, and help win billions of dollars in pentagon contracts.
Rapid learning: We move fast, you learn fast, you'll see the direct fruits of your labor every single day.
Team that pushes you: You'll work alongside gritty, mission-driven teammates who bring the best out of each other. It's intense, it's fulfilling, and you'll never want to go back to coasting.

What it's going to be like:

Honestly, it's going to be a roller coaster. The ride is wild: pivoting on a dime, working late, dealing with unexpected fires.
Sure, you could take a cushy job at a big corp and collect a nice check. but there's something addictive about the adrenaline of building something from scratch—something that directly impacts America and her allies and could reshape the entire defense industry.
To thrive here, you need to embrace our delusional optimism, where victories give us hope and failures make us want it even more. Yes, we work late, but you'll have a direct impact on everything we build.
If you're up for some uncertainty, long hours, and occasional “what do we do now?” moments—but want the shot at building something insanely impactful—then let's talk.

Who Thrives Here?:

We want people who aren't just technically sharp but also love pushing their limits—whether that means you've launched a side hustle, tried an extreme sport, or pitched a crazy idea no one believed in. The common thread is you:
Chart your own path: you don't care about the “right way” - you do it your way.
(smart) risk-taker: you try bold solutions, fail forward, and learn quickly.
Independence: Most of the time, you will be writing code with zero or little spec - it's up to you to figure out what needs to be done to deliver value, and to foresee potential problems
Relentlessness: You see obstacles as puzzles waiting to be solved.

SALARY / BENEFITS

$120-$150K
Medical (Partially paid)
PTO
401K pending

AT SALESPATRIOT, WE'RE REDEFINING HOW MANUFACTURERS AND DISTRIBUTORS DO BUSINESS WITH THE DOD. IT'S SCARY, IT'S THRILLING, AND WE FULLY ACKNOWLEDGE WE'RE CRAZY ENOUGH TO TAKE IT ON.

DON'T SEE YOUR ROLE? —APPLY ANYWAY. IF YOU'RE EXCEPTIONAL, WE'LL FIGURE OUT HOW TO MAKE ROOM. JUST REACH OUT AND SHOW US WHAT YOU BRING TO THE TABLE. SIMPLE AS THAT.

Quick Apply

Refine Your Search

As/400 Systems Engineer jobs

Full-Stack Engineer

Infrastructure Engineer (ETL Administrator )

Senior IT Solutions Analyst (EDI)

Engineer 2 Supply Chain WMS

Senior Quality Engineer, Warehousing

Forward Deployed Engineer

Senior IT Enterprise Applications Software Quality Engineer

Head of iSeries

Network Architect (Senior Data Communications Engineer)

IT Systems Engineering Manager

Junior Developer

Mechanical Engineer I

Sr. JDE CNC (Configurable Network Computing)

SENIOR SOFTWARE ENGINEER (Inventory Systems)

PCB Designer II - MMIC

Mechanical Engineer II

Materials Manager

Senior IBM i (AS/400 / iSeries) Systems Engineer

Software Engineer III - IBM i (AS/400) Engineer

Mission Control Operator

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Who you are

What it's going to be like:

Who Thrives Here?:

AT SALESPATRIOT, WE'RE REDEFINING HOW MANUFACTURERS AND DISTRIBUTORS DO BUSINESS WITH THE DOD. IT'S SCARY, IT'S THRILLING, AND WE FULLY ACKNOWLEDGE WE'RE CRAZY ENOUGH TO TAKE IT ON.

DON'T SEE YOUR ROLE? —APPLY ANYWAY. IF YOU'RE EXCEPTIONAL, WE'LL FIGURE OUT HOW TO MAKE ROOM. JUST REACH OUT AND SHOW US WHAT YOU BRING TO THE TABLE. SIMPLE AS THAT.

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