Principal Engineer

Evendale, Ohio

Apply Apply with LinkedIn
Save

Type: Direct-Hire

Experience: 0

Category: Information Technology

Contractor Work Model: Hybrid

Brand: System One

Compensation Range: 150000.00

Job ID: 350848

Date Posted: 07/21/2026

Shortcut: http://jobs.systemone.com/1RFqe6


Job Title: Principal Engineer
Location: North Cincinnati, Ohio
Type: Direct Hire
Compensation: $150k +
Contractor Work Model: Hybrid – onsite Tue, Wed, and Thr.
Local Candidates, No C2C or Sponsorship

Responsibilities

  • Serve as the primary technical authority for the Client Technology platform, defining how our flagship products interact with partner integrations, internal core services, and downstream data consumers.
  • Drive technical roadmap planning in partnership with product and leadership, translating business objectives into architectural direction across both the application and data platform.
  • Maintain a high level of individual contribution within the customer-facing application team.
  • Write production code, perform deep-dive code reviews across the integration layer (core service interop, partner APIs, message queue consumers, etc.), and guide the team through complex technical problems.
  • Provide non-management technical leadership to Senior Software Developers and Data Engineers.
  • Elevate the technical bar across the application and data teams through shared standards, architectural reviews, and mentorship on design principles.
  • Collaborate with business analysts, subject matter experts, and other team members to design new applications and perform modifications to current applications.
Requirements
  • Minimum ten years of progressive experience as a practitioner in software development and data management, preferably with at least three years operating at a principal level.
  • Comprehensive and demonstrable full-stack software development skills and experience utilizing modern and open-source technologies to build enterprise business applications.
  • Knowledge of and practical experience with modern data architecture: Medallion model, CDC-based data capture, bronze/silver/gold layer design, and SCD Type 2 patterns.
  • Experience developing and managing enterprise-level B2B data sharing, API strategy, and high-volume data ingestion/egress.
  • Must be comfortable working in and managing multiple system environments (Linux & Windows), including Docker-based development workflows and production deployment pipelines.
  • Proven ability to influence technical direction across multiple teams (Data, Application Support, Product) without formal people-management authority.
  • Track record of leading technical design sessions, producing architecture documentation, and guiding developers through design trade-offs in complex, multi-schema enterprise systems.
  • Experience establishing or contributing to engineering standards, code review practices, and development workflows across multiple teams.
  • Must be comfortable navigating a polyglot environment that includes Java interop, multiple integration protocols (REST, message queues, serverless), multiple databases and data platforms including Oracle, MySQL, Microsoft SQL Server, Microsoft Fabric, Snowflake, AWS, and various integration partners and systems.
  • Excellent oral and written communication skills. Able to communicate effectively with a diverse group of individuals with varying levels of technical understanding and varying skillsets.
  • Ability to work collaboratively with other application development and data engineering areas to define standards and manage change.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#LI-DH1

Ref: #861-Cincinnati-S1

  • Sr. Site Reliability Engineer

    Cincinnati, OH

    Job Title: Senior Site Reliability Engineer (SRE) Location: Cincinnati, OH (Hybrid – 3 days onsite/week) Type: Direct Hire Compensation: $150,000 Range (based on experience) We’re seeking an experienced Senior Site Reliability Engineer to join a small,...

    Date Posted: 06/22/2026 Recommended

  • Graphic Designer

    Cincinnati, OH

    Job Title: Graphic Designer Location: Cincinnati, OH Work Model: Onsite Hours: M-F 8am-5pm Compensation: $28.00 - $31.90/hr Type: 6-month contract, Potential for extension or conversion to permanent Overview As a hands-on designer you will build concep...

    Date Posted: 08/03/2026 Recommended

  • Technical Lead / Solution Architect

    Virginia, VA

    Job Title: Technical Lead / Solution Architect Location: Open to Hybrid in Vienna, VA, Winchester, VA or Pensacola, FL or can be REMOTE Type: Long Term Contract Overview We are seeking an experienced Technical Lead / Solution Architect to lead the arch...

    Date Posted: 07/21/2026 Recommended

  • (v) Software Engineer – FACETS Extensions / Application Development

    Baltimore, Maryland

    Software Engineer – FACETS Extensions / Application Development Location: Baltimore, MD (DMV Area – Baltimore, MD or Washington, DC) Type: Contract-to-Hire Work Model: Hybrid (Onsite & Remote) Hours: 40 Hours/Week (EST) Overview Our Client is embarking...

    Date Posted: 07/20/2026 Recommended

  • Senior Vantage Developer

    Arlington, Virginia

    Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement: Hybrid – onsite at the Pentagon three days per week Employment Type: Full-time, direct hire Clearance: Active DoD Secret clearance required Position Ove...

    Date Posted: 07/28/2026 Recommended

  • Integration Architect

    Clearwater, FL

    Job Title: Integration Architect Location: Clearwater, FL Type: Direct Hire Work Model: Hybrid/Remote, Travel to Clearwater, FL once a quarter. Hours: 40.00 *Client cannot provide sponsorship at this time* Overview Responsibilities Design, develop, and...

    Date Posted: 07/28/2026 Recommended

  • CRD System Design Engineer (Mechanical)

    Bellevue, WA

    Job Title: CRD System Design Engineer (Mechanical) Company: System One Location: Bellevue, WA / Remote Pay Rate: $54.00 - $90.00 per Hour Position Type: Contract Duration: 12 Months with Possible Extension Position Overview System One is seeking a CRD ...

    Date Posted: 06/09/2026 Recommended

  • Principal SDET, Cybersecurity Test Engineer

    Lakewood, CO

    Job Title: Principal SDET, Cybersecurity Test Engineer Location: Lakewood, CO Type: Direct Hire Job Summary: System One is seeking a Principal SDET – Cybersecurity Test Engineer for a full-time/permanent opportunity in Lakewood, CO. As a Sr. Technical ...

    Date Posted: 06/03/2026 Recommended

  • Principal Engineer, Plant Design Integration

    Bellevue, WA

    Job Title: Principal Engineer - Plant Design Integration Location: Bellevue, WA Type: Contract Compensation: $69.00 - $116.00 Work Model: Remote – offsite Overview System One is seeking an experienced Plant Design Integration Engineer to support the de...

    Date Posted: 07/29/2026 Recommended

  • UI Architect – .NET, React & Enterprise Banking Solutions

    Kansas City , Kansas

    Job Title: UI Architect – .NET, React & Enterprise Banking Solutions Location: Kansas City, Missouri Responsibilities Lead the architecture, design, development, and modernization of a large-scale SaaS platform built on .NET Core microservices with MS ...

    Date Posted: 06/22/2026 Recommended

  • Sr. Software Architect - Java

    Dallas, Texas

    Job Title: Sr. Software Architect - Java Location: Dallas, TX Responsibilities Lead the technical solution for the team's proofs-of-concept, prototypes and eventual end products or solutions. Team up with client stakeholders, third-party partners, fint...

    Date Posted: 06/29/2026 Recommended

  • Sr. Software Architect

    Pittsburgh , Pennsylvania

    Job Title: Sr. Software Architect - Java Location: Pittsburgh, Pennsylvania, United States Responsibilities Lead the technical solution for the team's proofs-of-concept, prototypes and eventual end products or solutions. Team up with client stakeholder...

    Date Posted: 06/29/2026 Recommended

  • Senior IAM Engineer

    Midvale , Utah

    Job Title: Senior IAM Engineer (Java & Cloud Native) Location: Salt Lake City, Utah Work Mode : 5 Days Onsite Duration : Contract to Hire About the Opportunity System One is seeking a highly skilled Senior IAM Engineer to design, develop, and support m...

    Date Posted: 06/04/2026 Recommended

  • Mainframe Developer (COBOL, CICS, DB2)

    Salt Lake City, UT

    Mainframe Developer – COBOL, CICS, DB2 6 Months Contract-to-Hire Midvale, UT and Salt Lake City, Utah Position Overview Seeking an experienced Mainframe Developer to develop, maintain, enhance, and support mission-critical enterprise applications. The ...

    Date Posted: 07/30/2026 Recommended

  • Jira Platform Engineer (onsite)

    Washington, District of Columbia

    Jira Platform Engineer Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract supporting Federal Reserve Board Open to W2 and C2C Must Apply before July 9th The Dev...

    Date Posted: 07/06/2026 Recommended

  • ATM Consultant

    Pittsburgh , Pennsylvania

    Job Title: ATM Consultant Location: Pittsburgh, PA Type: Contract Contractor Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Responsibilities Design complex solutions, write code, test code, automate testing and deployment. In...

    Date Posted: 05/11/2026 Recommended

  • IFS Architect

    Roswell, Georgia

    IFS Architect Contract REMOTE Position Description Seeking an accomplished IFS Solution Architect to lead the design and delivery of scalable, high-quality ERP solutions for strategic customers. The IFS Architect will serve as the technical and functio...

    Date Posted: 07/26/2026 Recommended

  • Mainframe Developer (COBOL, CICS, DB2)

    Salt Lake City, UT

    Job Title: Mainframe Developer (COBOL, CICS, DB2) Description: Mainframe Developer (COBOL, CICS, DB2) Position Description Are you an experienced Mainframe Developer (COBOL, CICS, DB2) looking to work on mission critical enterprise systems that support...

    Date Posted: 07/28/2026 Recommended

  • RAC System Design Engineer (Mechanical)

    Bellevue, WA

    Job Title: RAC System Design Engineer (Mechanical) $54 - $90 an hour Location: Remote 12 months with possible extension Position Overview System One is seeking a RAC System Design Engineer (Mechanical) to support the design and delivery of an advanced ...

    Date Posted: 06/09/2026 Recommended

  • ServiceNow Developer

    Fort Meade, Maryland

    Job Title: ServiceNow Developer Location: Fort Meade, Maryland Type: Contract Contractor Work Model: Onsite – onsite Security Clearance: Must hold an active DoD Secret clearance and obtain Security+ certification within 14 days of hire. Responsibilitie...

    Date Posted: 06/09/2026 Recommended

  • Java API Tech Lead

    Pittsburgh , Pennsylvania

    Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation: $70.00 - $10,000.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified Overview Leave placeholder text here for recruiter to in...

    Date Posted: 06/29/2026 Recommended

  • Senior Quality Assurance Automation Engineer

    McLean, VA

    Job Title: Senior Quality Assurance Automation Engineer Remote – offsite Security Clearance: U.S. citizenship or Green Card status is required, along with the ability to obtain a public trust clearance Responsibilities Lead the planning, design, and ex...

    Date Posted: 06/22/2026 Recommended

  • Lead DevSecOps Engineer

    Dallas , Texas

    Job Title: Lead DevSecOps Engineer Location: Dallas, Texas Responsibilities Lead the integration of security into CI/CD pipelines, architect secure cloud environments, and guide teams in adopting modern DevSecOps practices to ensure a secure-by-design ...

    Date Posted: 06/29/2026 Recommended

  • Lead DevSecOps Engineer

    Strongsville, Ohio

    Job Title: Lead DevSecOps Engineer Location: Strongsville, OH Type: Fulltime Responsibilities Lead the integration of security into CI/CD pipelines, architect secure cloud environments, and guide teams in adopting modern DevSecOps practices to ensure a...

    Date Posted: 06/29/2026 Recommended

  • Lead DevSecOps Engineer

    Pittsburgh, Pennsylvania

    Job Title: Lead DevSecOps Engineer Location: Pittsburgh, PA Responsibilities Lead the integration of security into CI/CD pipelines, architect secure cloud environments, and guide teams in adopting modern DevSecOps practices to ensure a secure-by-design...

    Date Posted: 06/29/2026 Recommended

  • Mainframe Developer (COBOL, CICS, DB2)

    Salt Lake City, UT

    Job Title: Mainframe Developer (COBOL, CICS, DB2) Duration : Contract to Hire Location : Salt Lake City, UT (Locals Preferred) Work Mode : 5 Days Onsite. Systemone is seeking a talented Mainframe Developer to join our team in Salt Lake City, UT! In thi...

    Date Posted: 07/29/2026 Recommended

  • Data Architect- Wealth Management

    Naperville, Illinois

    Job Title: Data Architect- Wealth Management Location: Naperville, IL Type: Direct Hire Compensation: Open Work Model: Onsite Hours: 40.0 Security Clearance: N/A Responsibilities Design and maintain the end to end data architecture for the Wealth Manag...

    Date Posted: 07/15/2026 Recommended

  • Fullstack Integration Engineer

    NA, VA

    Senior Full-Stack Integration Engineer Location: Remote – United States Experience: 5+ years of professional software engineering experience We are seeking a Senior Full-Stack Integration Engineer to design, build, and support cloud-based applications,...

    Date Posted: 07/14/2026 Recommended

  • Manager, Network & Cybersecurity Engineering

    Tampa, Florida

    Job Title: Network & Cybersecurity Engineering Location: Tampa, Florida (fully onsite) Type: Direct Hire Compensation: $140,000 - 150,000.00 (based on experience) Hours: 40.0 Job Summary: This position provides leadership for the integrated Network and...

    Date Posted: 07/09/2026 Recommended

  • Senior Java Full Stack Engineer (AWS Cloud Migration)

    Reston, Virginia

    Senior Java Full Stack Engineer (AWS Cloud Migration) Location: Reston, VA (Hybrid) Type: Contract through December 2026 (potential extension) Schedule: 40 hours/week Local Candidates: DMV area only. Must be available for onsite meetings in Reston appr...

    Date Posted: 08/03/2026 Recommended