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Freelance Systems Engineer Jobs in Rutherford, NJ

Solomon Page

Packaging Designer

Manhattan, NY · On-site

$52/hr

Create innovative design systems that balance brand consistency with category / franchise -specific ... prompt engineering, and sustainable practices * Scout and onboard freelancers and agencies who ...

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All JobsSystems Engineer JobsFreelance Systems Engineer JobsFreelance Systems Engineer Jobs in Rutherford, NJ

Freelance Systems Engineer information

See Rutherford, NJ salary details

$54.5K

$129.7K

$170.2K

How much do freelance systems engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for freelance systems engineer in Rutherford, NJ is $129,687.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,900.00 and $160,000.00 per year, depending on experience, location, and employer.

What is a freelance systems engineer?

A Freelance Systems Engineer is an independent professional responsible for designing, implementing, and maintaining complex systems for clients on a contract basis. They work across industries like IT, aerospace, healthcare, and telecommunications, ensuring system performance, security, and scalability. Their responsibilities may include system architecture, troubleshooting, integration, and optimization. Freelancers in this role often manage multiple projects, offering flexible solutions tailored to each client’s needs.

What does a typical project look like for a freelance systems engineer?

As a Freelance Systems Engineer, a typical project might involve assessing a client's existing IT infrastructure, designing and implementing integrated systems, and ensuring optimal network performance and security. You may work independently or collaborate with client-side IT teams, often managing your own schedule and communication. Projects vary in length and complexity, ranging from short-term troubleshooting assignments to long-term infrastructure overhauls. This diversity allows you to continually expand your skills and work with a wide range of industries and technologies.

What are the key skills and qualifications needed to thrive in the freelance systems engineer position, and why are they important?

A Freelance Systems Engineer should possess expertise in systems integration, network infrastructure, troubleshooting, and a degree in computer science or related fields. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are often expected. Strong project management, communication, and client relationship skills help build trust and ensure project success. These competencies are crucial for delivering reliable, high-quality solutions for clients with diverse and evolving technical requirements.

What job categories do people searching Freelance Systems Engineer jobs in Rutherford, NJ look for?

The top searched job categories for Freelance Systems Engineer jobs in Rutherford, NJ are:

What cities near Rutherford, NJ are hiring for Freelance Systems Engineer jobs?

Cities near Rutherford, NJ with the most Freelance Systems Engineer job openings:

Freelance Systems Engineer jobs near you
Infographic showing various Freelance Systems Engineer job openings in Rutherford, NJ as of June 2026, with employment types broken down into 1% As Needed, 63% Full Time, 31% Part Time, 1% Temporary, 2% Contract, and 2% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $129,687 per year, or $62.3 per hour.

Senior Developer (ARDA / PostgreSQL) New York

Ready

New York, NY • On-site

$4.0K - $4.3K/mo

Full-time

Re-posted 9 days ago

Job description

We are looking for a Senior Developer (ARDA / PostgreSQL) to join a large-scale enterprise modernization project. The ideal candidate will have strong experience with ARDA, PostgreSQL, and enterprise database environments, with a proven ability to support application modernization initiatives, database segregation, and high-performance production systems.
Responsibilities
  • Refactor the ARDA application code to integrate with a dedicated PSI PostgreSQL database instance.
  • Design and implement the segregation of PSI from the current shared database environment into a dedicated architecture.
  • Review application dependencies to ensure secure and efficient integration.
  • Design, develop, and implement solutions focused on application modernization.
  • Participate in database migration projects while ensuring business continuity.
  • Optimize database performance through performance tuning and best practices.
  • Support enterprise-scale production environments and troubleshoot critical issues.
  • Collaborate with cross-functional teams to design scalable and reliable technical solutions.

Requirements
  • 5+ years of experience as a Software Developer, Backend Developer, or similar role.
  • Hands-on experience with PSI Database Segregation or dedicated PSI database implementations.
  • Strong experience with PostgreSQL and SQL.
  • Experience working with ARDA.
  • Experience supporting enterprise-scale production environments.
  • Experience with Application Modernization and System Design.
  • Experience with database migrations.
  • Strong knowledge of database performance tuning.
  • Experience supporting business-critical production applications.
  • Advanced English (required).
  • Excellent problem-solving, communication, and collaboration skills.
Nice to Have
  • Experience with AWS Aurora PostgreSQL.
  • Previous experience supporting Santander applications.
  • Experience with ARDA or PSI-related systems.
Conditions
  • Payment: 4.300 USD.
  • Location: 100% On-site in New York, USA.
  • Schedule: Full-time.
  • Project Duration: Long-term.
  • Modality: contractor (freelance)

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