Legacy Systems jobs in El Segundo, CA

Principal Information Technology Analyst (iHub / IT Ser

Los Angeles, California

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3d ago

At the Metropolitan Water District of Southern California, we deliver reliable water to a region with 19 million people?and to?accomplish?this,?we rely on?a?team of talented employees: innovators, problem-solvers, and?collaborators?who make it all possible.? There is currently one (1) opening for a Principal Information Technology Analyst (iHub / IT Service Desk) located at Headquarters (Los Angeles, CA). This recruitment may result in an eligibility list*. The Principal Information Technology A

Full-time

147950-193523USD

MDMS Senior Engineer (AMIR)

Los Angeles, California

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Today

Senior Domain Engineer - Meter Data Management System (MDMS) - Los Angeles, CA The Select Group is looking for a Senior Domain Engineer. This is going to be a long-term engagement located in Los Angeles, CA (4 days onsite, 1 day remote). The Senior Domain Engineer will lead the Meter Data Management System workstream for Advanced Meter Infrastructure Replacement (AMIR). This person will direct the technical delivery of the vendor MDMS solution, coordinate the system integrator and internal teams

Full-time

Financial Programmer

Los Angeles, California

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10d ago

About Latham & Watkins Latham & Watkins is one of the world's leading global law firms advising the businesses and institutions that drive the global economy. We are the market leaders in major financial and business centers around the world. Our investment in people, commitment to innovation, and focus on the future empower you to build an incredible career and thrive as an exceptional professional in a supportive culture. If you aspire to be the best, and work with the best, this is where you

Full-time

USD 120,000.00 - 135,000.00 per year

Senior Software Engineer, Backend - Internal Tools - Santa Monica Ca (hybrid) to $195,000

Santa Monica, California

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Today

OPEN JOB: Senior Software Engineer, Backend - Internal Tools LOCATION: Santa Monica, California Open to fully remote or hybrid with some travel to Santa Monica, depending on location BASE SALARY: $175,000 to $195,000 Ideal Candidate Role focus Build new software from the ground up rather than primarily maintaining existing systems. Overhaul and consolidate the internal tools stack, including the internal tools platform/application. Develop APIs and services that will support AI use cases. The t

Full-time

USD 175,000.00 - 195,000.00 per year

Software Solutions Engineer Integrator

El Segundo, California

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Today

Job ID: 2615958 Location: El Segundo, CA, US Date Posted: 2026-08-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Software Solutions Engineer/Integrator to support Space Systems Command's (SSC) Kronos Family of Systems (FoS) in advancing Operational Command and Con

Full-time

USD 200,001.00 - 240,000.00 per year

Software Solutions Engineer

El Segundo, California

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Today

Job ID: 2615960 Location: El Segundo, CA, US Date Posted: 2026-08-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Software Solutions Engineer to support Space Systems Command's (SSC) Kronos Family of Systems (FoS) in advancing Operational Command and Control (C2) a

Full-time

USD 200,001.00 - 240,000.00 per year

Sr. Specialist Test Engineer

Anaheim, California

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 102,000.00 - 189,000.00 per year

Specialist Test Engineer

Anaheim, California

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Today

Full-time

USD 88,500.00 - 164,500.00 per year

Mid-Senior Data Engineer - SQL, Python, dbt & Snowflake

City of Industry, California

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Today

Mid-Senior Data Engineer - SQL, Python, dbt & Snowflake City of Industry, CA | Full-Time Our client is a growing organization seeking a Data Engineer to join its expanding technology team. This is a hands-on role focused on building and maintaining production data solutions, supporting critical data operations, and improving the reliability and scalability of the overall data environment. The ideal candidate is a strong hands-on engineer who enjoys working with production systems, troubleshootin

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Full-time

$150000 - $190000

ServiceNow Platform Developer

Los Angeles, California

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Today

ServiceNow Platform Developer Job no: 562232 Work type: Staff Location: Northridge Categories: Unit 9 - CSUEU - Technical Support Services, Probationary, Full Time, Information Systems & Technology, Telecommute eligible (work onsite as scheduled and/or as requested and telecommute as scheduled) CSUN strives to be a destination workplace, where everyone understands that they belong to a community that is vital in advancing student success and providing exemplary service to all stakeholders.

Full-time

USD 6,492.00 - 8,234.00 per month

Senior Mainframe Assembler Analyst

Remote

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Yesterday

Infinite Solutions Inc. is a California-based Information Technology Solution provider specializing in delivering enterprise technology and digital transformation solutions for public-sector clients since 1997. With deep expertise in systems integration, ERP implementations, data analytics, and modernization, we support mission-critical initiatives for State and local agencies. Our team is known for combining technical excellence with a practical, results-driven approach to solving complex busin

Easy Apply

Third Party, Contract

Depends on Experience

Quadient/GMC Inspire Developer

Remote

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Today

Quadient Inspire DeveloperIntroduction:We are seeking a talented Quadient Inspire Developer to join our team. The ideal candidate will be responsible for designing and developing applications using Quadient Inspire as well as other software applications. They will play a crucial role in setting up master workflows, optimizing templates, and migrating forms from legacy systems to Quadient Inspire platforms. Responsibilities:Performs design and development of applications on complex projects utili

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Contract

Depends on Experience

Network Engineer

Pasadena, California

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Today

Caltech is a world-renowned science and engineering institute that marshals some of the world's brightest minds and most innovative tools to address fundamental scientific questions. We thrive on finding and cultivating talented people who are passionate about what they do. Join us and be a part of the diverse Caltech community. Job Summary The Southern California Seismic Network (SCSN) has seismic stations located at approximately 400 sites throughout Southern California. Under general directi

Full-time

USD 89,600.00 - 95,000.00 per year

AI Test Lead - W2 only

Remote

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2d ago

AI Test leadAI Test lead , 100% RemoteRate: 65 on w2 wobLocation: 100% Remotestrong agentic AI experienceexperience transform java/selenium using playwright, agentic AIdesktop automation is a mustno documentation - how can you work around it and automate and test those thingsFeedback on Abhishek: 1. Has experience with migrating existing Selenium Automation suite to Playwright framework using Claude. When asked which Claude model did you use he was not sure first mentioned Haiku then said whatev

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Contract

55 - 65

Mainframe Modernization Architect

Remote

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30+d ago

Modernization Senior Architect - Mainframe 6 month contract ( option for hire )100% remoteClient is a billion dollar Services company REQUIREMENTS Bachelors degree in engineering or computer sciences20+ years of experience as an architect or equivalent in the hosting and network space (preferably with a service provider)Over 12 years' experience as a Modernization or Migration Architect, leading legacy system upgrades to new platforms with minimal business disruption.Hands-on experience with Mai

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Contract

80 - 90

.NET + Ruby + Python

Remote

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3d ago

Hiring: .NET + Ruby + Python Location: Remote Experience & Visa Requirements: Key Responsibilities: Assess on-premises applications for cloud migration readiness. Containerize and modernize applications built with Ruby on Rails, .NET, Python, and/or Elixir. Deploy applications to Azure Kubernetes Service (AKS) using Helm charts and Kubernetes manifests. Build and maintain CI/CD pipelines using GitHub Actions and Azure DevOps. Re-platform legacy applications and integrate Azure Key Vault. Plan

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Full-time

45 - 50

Epic Systems Analyst - Revenue Cycle

Remote or Louisiana

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Today

Your job is more than a job Why a Great Place to Work You're more than your job. Everyone is. And that's what makes you great at your job-all the little extras you bring to work every day, the things that make you you. At LCMC Health we value those things about you, because we know that all those little extras add up to extraordinary. And we've built a culture that supports and celebrates the extraordinary. You'll see it when you come to work here, in the spirit of our places and the faces of

Full-time

AI / Data Resource

Remote

•

Yesterday

Requirements 5 years or more experience in AI-driven data analysis, QA validation, and business logic documentation Proficiency in Python for code review, troubleshooting, and data-driven analysis Experience in reading and interpreting CBASIC code to resolve logic issues and processing errors Experience with analyzing unfamiliar programming languages and identifying defects in application logic Experience in validating system outcomes against underlying data sources and business rules Excellent

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Contract

Depends on Experience

Senior/Lead CA Gen Engineer - Mainframe Modernization (Remote)

Remote

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Today

We are looking for a Senior or Lead Engineer with deep CA Gen (Broadcom Gen, COOL: Gen, CoolGen) expertise to join an established team of 15-20 engineers on a large-scale mainframe modernization initiative. You will help rebuild legacy applications and eliminate dependency on CA Gen and mainframe technology, translating deep model and code knowledge into detailed specifications that drive forward-engineering of modern replacement systems. This is a 100% remote role with no on-call support requir

Full-time

Senior/Lead CA Gen Engineer - Mainframe Modernization (Remote)

Remote or New York, New York

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Today

Full-time

Legacy Systems jobs in El Segundo, CA, USA