Jobs in the United States

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Added 15 mins ago
Principal Engineer Mission Assurance
CORP-Corporate Office
United States
The ideal candidate must have the ability to support Program corrective action board, communicate written and verbally, and work in a team environment
Added 27 mins ago
Principal Identity Cybersecurity Engineer
The MITRE Corporation
McLean, VA
Must have an active Top Secret U.S Government issued Security Clearance
Added 27 mins ago
System Safety Engineer, Senior
BOOZ, ALLEN & HAMILTON, INC.
Arlington, VA
As a systems engineer on our team, you'll enjoy a dynamic team environment of client and contractor staff while executing comprehensive system safety programs or individual tasks on a…
Added 35 mins ago
SI
Distinguised/Principal Platform Solution Engineer - Data Foundations
Salesforce, Inc.
Remote, United States
- $157,640 to $269,080 USD / year
Salesforce is looking for a motivated Platform Solution Engineer to join our extremely talented Pre-Sales Solution Engineering team, who are instrumental to MuleSoft’s growth.
Added 1 hour ago
Sr Principal System Security Engineer
Northrop Grumman
Rolling Meadows, IL
Basic Qualifications for Sr. Principal Systems Security Engineer:
Added 1 hour ago
Senior Manager– AI Governance & Controls Engineering
AbbVie
North Chicago, IL
…Controls Engineering team - including direct oversight of the Principal Quality Engineer, AI Controls Engineering role - , manages critical partnerships and contracts, and champions…
Added 1 hour ago
Principal Machine Learning Engineer
Vail Resorts
UT
We are looking for a curious, driven, innovative machine learning engineer who takes initiative to solve problems and create environments that accelerate the development, deployment, and…
Added 1 hour ago
Principal/Sr. Principal Electrical Engineer
Northrop Grumman
Clearfield, UT
Northrop Grumman Defense Systems is seeking a Principal/ Sr. Principal Electrical Engineer to join our team . This position is located in Clearfield, UT.
Added 1 hour ago
Principal/Sr Principal Electrical Engineer - 20350 &
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems is seeking an Principal/ Sr. Principal Electrical Engineer in support of the Sentinel program. This position is located: Roy, UT .
Added 1 hour ago
Principal / Sr. Principal Electrical Engineer
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems is seeking a Principal Engineer Electrical / Sr. Principal Engineer Electrical to support the architecture, development, and delivery of multiple cable,…
Added 1 hour ago
Sentinel - Sr Principal Systems Engineer
Northrop Grumman
Roy, UT
Northrop Grumman Defense Systems is seeking a Principal / Sr. Principal Systems Engineer . This opening is in Roy, UT and will support the Sentinel Program . Northrop Grumman supports the…
Added 2 hours ago
Principal Data Engineer
Abbott
Madison, WI
The Principal Data Engineer (IC) is a senior individual contributor and the accountable technical leader for assigned cross-domain initiatives and enterprise data engineering capabilities.…
Added 2 hours ago
Electronics Engineer - 3
Northrop Grumman
Chandler
Northrop Grumman Space Systems is seeking a Principal Electronics Engineer - 3 to join the Launch Systems Avionics Design Group in Chandler, AZ.
Added 2 hours ago
Systems Engineer / Principal Systems Engineer - Modeling & Simulation
Northrop Grumman
Rolling Meadows
Must have an active U.S
Added 2 hours ago
Principal/Sr. Principal Modeling & Simulation Systems Engineer
Northrop Grumman
Rolling Meadows
This position can be filled at the Principal Modeling & Simulation Systems Engineer or Sr. Principal Modeling & Simulation Systems Engineer level based on specific requirements.
Added 2 hours ago
Sentinel - Principal/Sr Principal Guidance Navigation & Control Engineer (15109-1*)
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Guidance, Navigation, and Control (GN&C) Test Engineer to join our team. This position will be located at Roy, UT to…
Added 2 hours ago
Sentinel - Principal/Sr Principal Systems Engineer (20733)
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Systems Engineer to join our team. This position will be located at Roy, UT to support the Sentinel (GBSD) program…
Added 2 hours ago
Principal Cybersecurity Systems Engineer
Northrop Grumman
Palmdale
Must have experience in Cybersecurity · Must have the ability to obtain or maintain a U.S
Added 2 hours ago
Principal / Senior Principal Flight Test Engineer (FTE) AV Lead
Northrop Grumman
Hollywood
Must have understanding of common Test Engineering test methodologies and practices
Added 2 hours ago
Engineer Electronics – Manufacturing Engineering (RF) 2/3
Northrop Grumman
Rolling Meadows
Basic Qualifications for the Principal Engineer Electronics (RF) (Level 3):
Added 2 hours ago
Sentinel - Systems / Principal Systems Security Engineer - 20683
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Systems Security Engineer (T-02) / Principal Systems Security Engineer (T-03). This position is located in Roy, Utah and supports the Sentinel…
Added 2 hours ago
Sr Principal Process Engineer
Northrop Grumman
Corinne
Must have the ability to obtain and maintain a U.S
Added 2 hours ago
Principal / Sr. Principal Software Engineer - Infrastructure
Northrop Grumman
Melbourne
Northrop Grumman Aeronautics Systems Sector has an opening for a Principal / Sr. Principal Software Engineer - Infrastructure to join Global Surveillance Division supporting the team of…
Added 2 hours ago
Sr. Principal Network Communications
Northrop Grumman
Linthicum Heights
Applicants must have an active U.S
Added 2 hours ago
Software Engineer - Level 3 or 4 - Morrisville
Northrop Grumman
Morrisville
Must have the ability to obtain and maintain a U.S

MarcoPolo Learning

Contract Systems Architect - AI, AWS & Consumer Platforms

Remote, United States

Remote

Apply on marcopololearning.bamboohr.com About employer

Applications open in a new tab.

Job details

Workplace: Remote
Posting language: English
Posted: Nov 3, 2026

Original job description

Contract Systems Architect - AI, AWS & Consumer Platforms

Engagement: Project-based independent contractor Location: Remote, worldwide; North American time zones preferred Schedule: Flexible, with agreed overlap with our team Compensation: Hourly or fixed project fee, based on scope and experience

About us

We’re an AI-focused consumer technology startup building products designed to reach a large user base. We’re looking for an experienced Systems Architect to help us make practical technical decisions, deliver reliable AI capabilities, and establish infrastructure that can grow with the business.

This is a project-based contract role. Each engagement will have an agreed scope, timeline, deliverables, and acceptance criteria. Follow-on projects may be available as our needs evolve.

The role

You’ll work directly with founders and engineers to translate product goals into secure, scalable, and cost-effective systems. Your work may span architecture reviews, AWS infrastructure, AI model integration, agentic workflows, and production readiness.

You should be comfortable moving from architecture diagrams to code, prototypes, infrastructure configuration, and technical reviews. We value clear judgment: knowing what to build now, what to defer, and when a simpler design will serve the business better.

What you’ll do

Assess our product requirements, existing architecture, and infrastructure; identify risks, bottlenecks, and priorities.
Design AWS architectures for consumer applications, including APIs, compute, storage, databases, caching, queues, and asynchronous processing.
Evaluate AI models and providers against representative workloads, balancing output quality, latency, reliability, privacy, and cost.
Design AI capabilities such as retrieval-augmented generation, structured outputs, tool use, and agent orchestration where they improve the product.
Establish production controls for AI workflows, including evaluations, tracing, execution limits, retries, fallbacks, and appropriate human approval.
Address consumer platform needs such as authentication, authorization, user data protection, traffic spikes, abuse prevention, and responsive user experiences.
Define infrastructure as code, deployment pipelines, environment separation, monitoring, backup, and recovery practices.
Partner with engineers on implementation, review critical code and infrastructure changes, and validate key assumptions through prototypes or load testing.
Document decisions and provide a clear handoff so our team can operate and extend the systems independently.

What you’ll bring

A strong track record as a Systems Architect, Staff/Principal Engineer, or technical leader building and operating production software.
Deep hands-on AWS experience and the ability to explain service choices and architectural tradeoffs.
Experience shipping consumer applications and managing growth, availability, performance, and infrastructure costs.
Production experience integrating LLMs and building AI workflows beyond demonstrations or proofs of concept.
Current knowledge of leading commercial and open-weight models, with a repeatable approach to evaluating new releases.
Strong backend engineering skills in Python, TypeScript/Node.js, or comparable languages.
Experience with relational databases, caching, messaging, containers or serverless systems, and infrastructure as code.
Practical understanding of AI security risks, including prompt injection, sensitive data exposure, and excessive tool permissions.
Clear written communication, reliable project estimation, and experience delivering independently within an agreed scope.

Useful additional experience

Early-stage startups with small engineering teams.
Amazon Bedrock and direct model-provider APIs.
Agent frameworks and Model Context Protocol (MCP) integrations.
Retrieval systems, vector search, personalization, or multimodal AI.
Model routing, inference optimization, and cost measurement per user or completed task.

Typical project deliverables

Depending on the engagement, deliverables may include:

An architecture assessment and prioritized recommendations.
A target architecture, documented tradeoffs, and phased implementation plan.
Working prototypes or production components for critical capabilities.
Infrastructure code, deployment configuration, and operational runbooks.
Performance, reliability, AI quality, and cost benchmarks.
Engineering handoff documentation and knowledge-transfer sessions.

Success means delivering systems that meet agreed requirements, fit our stage and budget, and can be maintained by our team.

Candidates worldwide are welcome. North American time zones are preferred, but we’re open to candidates elsewhere who can provide suitable working-hour overlap.

Apply on marcopololearning.bamboohr.com About employer

More about this job

Skills

AWS
Product comprehension
Data protection
Infrastructure as code
Industrial software
Python
TypeScript
Node.js
Security threats
Communication skills
Estimating
Documentation

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Work requirements

Jobs in the United States