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Security Architect - Consultant
Novalink Solutions LLC
West Columbia, SC
SCOPE: THIS POSITION WILL SERVE AS A SIEM ENGINEER WITHIN THE DEPARTMENT OF ADMINISTRATION’S DIVISION OF INFORMATION SECURITY. THE SUCCESSFUL CANDIDATE WILL SHOW EXTENSIVE EXPERIENCE…
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Senior Machine Learning Engineer, Inference
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…LLM technology, we are looking for a Senior Machine Learning Engineer with strong expertise in ML inference optimization to join its inference…
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Systems Engineer (Linux)
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Robert Half is seeking a Systems Engineer II for a client in the financial services industry. This role is ideal for an experienced Linux professional with strong expertise in Red Hat…
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Digital Workplace Corporate Systems Engineer 3
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Fort Worth, TX
Simpli.fi is currently looking for a Corporate Systems Engineer III who will Build the integrations and internal tools that power our corporate systems. You’ll write code to automate…
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Full Stack Application Engineer
CACI
Laurel, MD · Laurel
…mission challenges? CACI is seeking a skilled and motivated Application Engineer to join our team in Laurel, MD. In this role, you will help modernize and enhance critical intelligence…
Added 1 min ago
Senior AI Solutions Architect – Hybrid - Linthicum, MD
Creative Information Technology, Inc.
Falls Church, VA
The Application Architect (Senior) manages major projects that involve providing professional support services and/or the integration, implementation, and transition of large, complex…
Added 2 mins ago
Software Engineer III, Simulation
Agility Robotics
Remote, United States
Agility Robotics is building the world's most capable humanoid robots, and we're looking for a senior engineer to help build the simulation software at the foundation of it. You'll be one…
Added 2 mins ago
Application Engineer Expert Level
Integrity Technology Consultants, Inc.
Linthicum, MD
…searching for a Top-Secret SCI with polygraph-cleared Expert-Level Application…
Added 2 mins ago
DS
(1119604) Lead Software Engineer - Emerging Technologies
Diversified Services Network, Inc.
Chicago, IL · Peoria, IL · Irving, TX · Broomfield, CO
- $140,000 to $145,000 USD / year
Diversified Services Network, Inc. (DSN) is seeking a full-time Lead Software Engineer – Emerging Technologies to join our team in your choice of our Chicago, IL; Peoria, IL; Irving, TX; or…
Added 3 mins ago
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Senior Data Scientist
Foley
Remote, United States
- $140,000 to $200,000 USD / year
…before trusting it. Lead EDA, build and test hypothesis trees, engineer domain-driven features, and build production-ready models. Validate with holdouts, leakage checks, calibration, error…
Added 3 mins ago
Senior Software Engineer (Python) - Remote
Mitratech
Remote, United States
Have a minimum of 5 years of software engineering experience developing SaaS applications, with strong hands-on experience in our stack: Python, React, AWS (Lambda, DynamoDB).
Added 3 mins ago
AI Engineer
Hub International Limited
Chicago, IL
HUB is seeking an AI Engineer to join the RPA & Automation team within our centralized technology organization, part of HUB’s AI & Automation organization. This is a hands-on build role…
Added 3 mins ago
AI Engineer
Hub International Limited
Chicago, IL
HUB is seeking an AI Engineer to join the RPA & Automation team within our centralized technology organization, part of HUB’s AI & Automation organization. This is a hands-on build role…
Added 3 mins ago
Privilege Access Management Engineer
Hub International Limited
Chicago, IL
The Security Identity PAM Engineer is responsible for implementing, maintaining, and developing HUB’s Privileged Access Management platforms. This role focuses on automation, integration,…
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Senior AI Engineer
Hub International Limited
Chicago, IL
HUB is seeking a Senior AI Engineer to serve as the senior technical individual contributor for the AI Engineering function within our centralized technology organization, part of HUB’s AI…
Added 3 mins ago
BMS Conversion Lead, Specialty Lines
Hub International Limited
Chicago, IL
Hub International’s M&A Integration (MAI) team is seeking a Lead Engineer to drive the technical execution of BMS migration projects for MGA acquisitions. This is not a conventional data…
Added 3 mins ago
Applications Engineer
Cirrus Logic
Austin, TX
Develop application notes, white papers, demo-board, and reference-design manuals
Added 9 mins ago
Lead Engineer – Operational Technology Security
Target Enterprise Inc
NCD-0375 Brooklyn Park, MN
Job title: Lead Engineer – Operational Technology Security
Added 9 mins ago
Lead Engineer – Operational Technology Security
Target Enterprise Inc
NCD-0375 Brooklyn Park, MN
Job title: Lead Engineer – Operational Technology Security
Added 13 mins ago
Information Security Engineer
Endava
Remote, United States
Looking for an Identity DevOps Engineer who is able to create new intake and trouble shoot issues. Looking for someone who can cover on-call and basic user issues. Should be able to…
Added 14 mins ago
Data Engineer/Architect
LEIDOS, INC.
Remote, United States
Hands-on software development using Python and/or JavaScript to support data integration and application functionality.
Added 14 mins ago
Senior Network Engineer
LEIDOS, INC.
Camp Springs, MD
Leidos Digital sector is seeking an experienced Senior Network Engineer to support mission-critical, enterprise-scale network infrastructure on the AFNCR ITS program at Joint Base Andrews…
Added 14 mins ago
Principal Network Engineer - Routing & Switching
LEIDOS, INC.
Odenton, MD
Leidos is seeking a Principal Network Engineer specializing in routing and switching to serve as the senior technical authority for the routed and switched enterprise. The role is…
Added 14 mins ago
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Controls Systems Engineer
Actalent
Bowling Green, OH
- $40 to $55 USD / hour
Job Title: Controls Systems EngineerJob DescriptionThe Controls Systems Engineer will serve as a Pharmaceutical Controls & Automation Project Engineer, leading and supporting automation…
Added 15 mins ago
Lab Technician
TEKsystems
Mountain View, CA
Robotics Engineer with hands-on experience in teleoperation, robotic manipulation,

Citian

Senior AI Product Engineer

Washington, DC, United States

Salary Range: $150,000 - 200,000

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Job details

Pay: Salary Range: $150,000 - 200,000
Posting language: English
Posted: Nov 4, 2026

Original job description

Citian is a fast growing, venture backed SaaS technology company based in Washington, DC. Our software solutions revolutionize how our transportation and infrastructure systems – roads, rail, transit, bicycle, pedestrian – operate.

Our tech solutions:

Reduce traffic fatalities
Enhance pedestrian accessibility
Empower system operators to save time & money

You’ll work with some of the brightest minds in the software and transportation industries. Our engineers and data scientists apply the latest in emerging tech, Artificial Intelligence, and Machine Learning to build smarter, more advanced tools for our diverse client base. We work with clients across the United States, with global ambitions in the years ahead.

Who You Are:

You're a product-minded software engineer who turns customer problems into reliable AI-enabled capabilities. You've built and shipped production LLM features, and you know the difference between a convincing demo and a dependable product. You work across the stack, prototype quickly, validate both the value and the correctness of what you build, and turn the experiments that work into production software. You know when AI is the right approach and when conventional software is better. You're comfortable with ambiguous requirements and work with engineering, data science and customer-facing teams to find where AI creates real value for transportation agencies.

Expected Duties:

Work with product, design, Customer Success and data science to understand agency problems, and help find and validate where AI adds value and where it doesn't.
Design, build and ship AI-enabled capabilities within our products, end to end, from data access to the application.
Fit model-based features into our existing software and data architecture without building unnecessary AI infrastructure, and record the key design decisions.
Design and maintain evaluations for AI features, including correctness, grounding, authorization, appropriate abstention and regression detection. Establish practical release criteria and use production feedback to improve quality.
Make AI-generated results traceable to their underlying data, queries and assumptions.
Enforce customer isolation and each user's own permissions, including when tools retrieve or query data, and guard against prompt injection.
Own features in production: latency, cost, reliability, monitoring, failure modes and incident response.
Choose the right technique for each problem (prompting, tool use, retrieval, text-to-SQL, fine-tuning or no AI at all), weighing accuracy, cost, speed and time to market.

Required Skills & Experience:

Bachelor's degree in Computer Science, Data Science, or a related field
5+ years building production software, including shipped LLM features used by customers
Demonstrated ability to take an ambiguous product problem through technical discovery, implementation, evaluation and production delivery
Has designed and run evaluations for LLM output: test sets, correctness and grounding measures, regression gates, and catching wrong answers before customers do
Full-stack product skills: Python or TypeScript back ends, SQL and relational databases (PostgreSQL), APIs, and enough front end to ship a feature end to end
Production practices: code review, CI/CD, testing, monitoring and cost tracking
Uses AI coding tools and agents effectively in daily engineering work, including implementation, testing and investigation, while independently validating their output
Clear written English and solid overlap with US Eastern hours

Preferred Qualifications:

Snowflake, AWS (including Bedrock), or LLMs over analytical or structured data
Geospatial, transportation, public-sector or other complex, high-stakes data
Security and compliance work around customer data (multi-tenant isolation, authorization, audit, SOC 2)
Has led a feature end to end across teams

Salary Range: $150,000 - 200,000

Your Citian Advantage:

Competitive salary and benefits package including medical, dental, and vision insurance and generous PTO.
401(k) company match and monthly commuter transportation benefit
On-site gym and free snacks in the office
High-growth potential and opportunities for advancement within a fast growing, venture-backed SaaS startup!

Let's build smarter cities together! Learn more about Citian here: www.citian.co

** Citian is an organization committed to diversity and inclusion to drive our business results and create a better future every day for our diverse employees, clients, partners, and communities. We believe a diverse workforce allows us to match our growth ambitions and drive inclusion across the business. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Equal Opportunity/Affirmative Action Employer Minorities/Females/Protected Veterans/Persons with Disabilities

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Skills

Industrial software
Incident response
SQL
Computer science
Python
TypeScript
PostgreSQL
CI/CD
Snowflake
AWS
Regulatory compliance

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