Jobs in the United States

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Added 6 mins ago
Principal Systems Engineer - Processing, Guidance, & Controls Engineers t
RTX Corporation
tucson, AZ
…components, subsystems, and operating environments, supporting the design, development, verification, and validation of our products and…
Added 6 mins ago
Sr. Systems Engineer - Processing, Guidance, & Controls Engineers
RTX Corporation
tucson, AZ
…components, subsystems, and operating environments, supporting the design, development, verification, and validation of our products and…
Added 6 mins ago
Systems Engineer II - Processing, Guidance, & Controls Engineers
RTX Corporation
tucson, AZ
…components, subsystems, and operating environments, supporting the design, development, verification, and validation of our products and…
Added 6 mins ago
AE
Campus Graduate Masters Summer Internship Program - 2027 AI Engineer, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
…enterprise data governance and platforms, digital product and design, and enterprise AI platforms on behalf of the…
Added 6 mins ago
AE
Campus Graduate Masters Summer Internship Program - 2027 Software Engineer, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $24.05 to $63 USD / hour
…enterprise data governance and platforms, digital product and design, and enterprise AI platforms on behalf of the…
Added 6 mins ago
AE
Campus Undergraduate Full-Time Engineer - 2027 AI Engineer I, Enterprise Technology Services- Phoenix, AZ
American Express
Phoenix, AZ
- $78,000 to $124,750 USD / year
- Full-time
…enterprise data governance and platforms, digital product and design, and enterprise AI platforms on behalf of the…
Added 17 mins ago
Senior PostgreSQL Database Engineer
Valiant Solutions, LLC
St. Louis, MO
The Senior PostgreSQL Database Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to…
Added 21 mins ago
A
Supplier Quality Engineer
Actalent
Moorpark, CA
- $110,000 to $150,000 USD / year
Job Title: Supplier Quality EngineerJob DescriptionThe Supplier Quality Engineer supports and improves supplier quality performance by ensuring that purchased materials and components…
Added 25 mins ago
Senior Azure Infrastructure Engineer
Jobgether
Remote, United States
The Senior Azure Infrastructure Engineer will design, implement, automate, and support secure, scalable, and resilient cloud infrastructure within an enterprise Azure environment. Working…
Added 30 mins ago
A
Signals Discipline Lead
AECOM
Pittsburgh, PA
- $160,000 to $200,000 USD / year
Develop signal design criteria, standards, specifications, engineer’s cost estimates, and evaluate alternative technical solutions and value engineering opportunities to improve safety,…
Added 39 mins ago
Principal SecOps & Observability Engineer (Clearance Secret or Top Secret)
Hewlett Packard Enterprise
Ft. Collins, CO · Montgomery, AL · Spring, TX · Oklahoma City, OK · All, MD · All, FL
…data, and interface compatibility to influence overall system design in secure, disconnected, and hybrid…
Added 48 mins ago
Senior VDI Engineer
Valiant Solutions, LLC
St. Louis, MO
The Senior VDI Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support innovative…
Added 48 mins ago
VTOC Operations Engineer
Valiant Solutions, LLC
St. Louis, MO
The VTOC Operations Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support…
Added 48 mins ago
Hybrid Cloud Platform Engineer
Valiant Solutions, LLC
St. Louis, MO · Springfield, VA, VA
The Hybrid Cloud Platform Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support…
Added 48 mins ago
HPC Infrastructure & Cluster Engineer
Valiant Solutions, LLC
Springfield, VA, VA
The HPC Infrastructure & Cluster Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to…
Added 48 mins ago
Citrix Software Virtualization Engineer
Valiant Solutions, LLC
Springfield, VA · St. Louis, MO
The Citrix Software Virtualization Engineer will join a program providing User Facing and Data Center Services supporting an Intelligence Community customer. All the personnel on the team…
Added 48 mins ago
Network Engineer
Valiant Solutions, LLC
Springfield, VA, VA
Valiant Solutions is seeking a Network Engineer to join our rapidly growing and innovative team!
Added 48 mins ago
IEC Engineer
Valiant Solutions, LLC
Springfield, VA, VA
The IEC Engineer will join a program providing User Facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support innovative design,…
Added 58 mins ago
QA Test Engineer, Industrial
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a QA Test Engineer, Industrial based in United States .
Added 58 mins ago
DevOps Architect
Jobgether
Remote, United States
We are seeking an experienced DevOps Architect to design, build, and own scalable, secure, and cost-efficient cloud infrastructure on AWS. This is a hands-on architecture role combining…
Added 1 hour ago
AF
Injection Stretch Blow Molding Process Engineer
Amcor Flexibles, LLC
Shelbyville, KY
- $7.25 USD / hour
…processing, and to assist in corrective actions, and/or improving process/tooling issues. In addition, the Process Engineer will hold the responsibility for process optimization and…
Added 1 hour ago
J
Mobile Engineer
JLL
Louisville, KY
- $7.25 USD / hour
…equipment repair and maintenance. Knowledge of overall system design and…
Added 1 hour ago
Senior Tax & Audit AI Engineer, FDE
Thomson Reuters (Tax & Accounting) Inc
Brooklyn, NY · Frisco, TX · Chicago, IL · Ann Arbor, MI · Eagan, MN
Design solutions that preserve professional judgment and incorporate controls for accuracy, risk and professional standards.
Added 1 hour ago
Network Engineer
Valiant Solutions, LLC
Lorton, VA
Valiant Solutions is seeking a Network Engineer to join our rapidly growing and innovative team!
Added 1 hour ago
Lead Firewall Engineer
Valiant Solutions, LLC
Springfield, VA, VA
Valiant Solutions is seeking a Lead Firewall Engineer to join our rapidly growing and innovative team!

FacilityOS

Senior Full Stack Engineer

Annapolis, MD, United States

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Job details

Posting language: English
Posted: Nov 1, 2026

Original job description

ABOUT FACILITYOS

FacilityOS is a fast-growing company redefining how facilities operate - bringing safety, security, and daily operations into one unified platform used by organizations around the world.

As we continue to scale globally, we’re building a team of driven, curious people who want to make an impact. You’ll be part of a dynamic, collaborative culture where individuals are trusted to take ownership, solve meaningful problems, and grow in their careers. Our team comes together in-office twice a week to connect, collaborate, and build momentum.

If you’re looking to do your best work alongside a great team in a high-growth environment, FacilityOS is the place to build your career.

About the Role:

We are looking for a highly capable Sr. Full Stack Engineer who can ramp up quickly, collaborate effectively with the existing team, and begin contributing meaningful delivery outcomes within the first few weeks. This role is well suited for someone who is comfortable navigating legacy systems, applying strong architectural principles, and making thoughtful technical decisions that improve delivery throughput without compromising quality.

The ideal candidate brings strong backend engineering experience, sound judgment, and the ability to work independently while staying closely aligned with team standards and architectural direction.

This role is a hybrid position where you’ll be required to come into our office three (3) times a week.

Duties and Responsibilities:

Design, develop, review, and maintain backend web applications and services across the FacilityOS platform.
Quickly develop a working understanding of existing platform architecture, legacy components, integration points, and modernization opportunities.
Collaborate with the engineering team to make sound technical decisions that align with established architectural principles and delivery goals.
Contribute to legacy modernization efforts using incremental, low-risk approaches such as the Strangler Fig pattern where appropriate.
Maintain high code-quality standards through code reviews, unit testing, static code analysis, and the adoption or improvement of engineering tools and standards.
Participate actively in peer code reviews, providing constructive feedback and helping promote maintainable, testable, and scalable solutions.
Troubleshoot and resolve application issues across environments, including staging and production, with a focus on root-cause analysis and sustainable fixes.
Work directly with engineering leads, product stakeholders, and project managers to support business operations and project delivery.
Research, evaluate, and recommend innovative application, automation, and architectural improvements that would benefit the FacilityOS platform.

Skills and Qualifications:

Minimum of 6 years of proven experience in backend .NET Framework / .NET Core web application development using C#.
Minimum 5 years of experience developing web applications using Angular and Typescript
Proven ability to quickly understand complex legacy systems, identify key integration points, and contribute effectively with limited ramp-up time.
Strong experience using object-oriented programming, design patterns, and clean architecture principles to build maintainable, testable software.
Proven experience writing unit tests and applying quality-focused development practices.
Proven experience designing and building RESTful services.
Experience in designing and building cloud-native SaaS and PaaS applications (Azure / AWS). Azure cloud experience will be preferred
Solid knowledge of Microsoft SQL Server and T-SQL.
Ability to make sound technical decisions in collaboration with existing engineering teams.
Proactive, curious, and investigative mindset with strong attention to quality and detail.
Passion for technology, continuous improvement, and modern engineering practices.
Ability to self-manage priorities and deliver outcomes with minimal supervision.
Strong team-player attitude with the ability to collaborate across engineering, architecture, and product stakeholders.
Hands-on experience with Event-Driven architecture is a plus
Hands-on experience with Microservices is a plus

Why work at FacilityOS?

We work hard and play hard and we do both with passion and respect for one another. Our company promotes a fast-paced, fun, friendly, and highly collaborative work environment that provides:

🩺Comprehensive health coverage

🏠A Hybrid work environment

💡Opportunity for advancement and growth

🍕 Catered Events, Snacks, Drinks – You won’t go Hungry!

🥳 Birthday and Life Celebrations

🎉 Two annual parties in a year

FacilityOS Commitment

We believe that a diverse team is the key to innovation and growth. We are an equal opportunity employer that value diversity at our company and encourage all candidates to apply. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

FacilityOS will accommodate individuals with disabilities through each stage of the recruitment and selection process. Please advise us of any needs when your interview is booked, and we will do our best to meet your needs.

Please note that all candidates must be legally eligible to work in the location in which you applied.

Background and Reference Checks

Any offer of employment may be conditional upon full background checks including a criminal record check, a credit check and employment and educational verifications. A reference check will also be conducted.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications. These tools assist the recruitment team but do not replace human judgment. All advancement and hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us or click here https://www.deeplytalented.com/responsible-ai.

FacilityOS thanks all candidates for their interest, however only those selected to continue in the process will be contacted.

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