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Senior Systems Engineer Jobs in Delaware (NOW HIRING)

Sr UI Developer

Wilmington, DE · On-site

$58.25 - $75.50/hr

As a Senior UI Developer, you will play a pivotal role in the design, development, and maintenance ... Bachelor's degree in Computer Science, Systems Engineering, or related field, or equivalent ...

Senior Traffic Engineer

Milford, DE

$100K - $138K/yr

GPI is seeking a Senior Traffic Engineer to grow and lead our traffic engineering discipline in the ... system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by ...

Sr Engineer

Wilmington, DE · On-site

$101K - $139K/yr

PRIMARY PURPOSE OF POSITION The Senior Engineer provides technical leadership in the planning ... Leading advanced electric, gas, and/or communications system performance analysis and outage ...

Sr Engineer

Wilmington, DE · On-site

$101K - $139K/yr

PRIMARY PURPOSE OF POSITION The Senior Engineer provides technical leadership in the planning ... Leading advanced electric, gas, and/or communications system performance analysis and outage ...

Sr Engineer

Wilmington, DE · On-site

$101K - $139K/yr

Primary Purpose PRIMARY PURPOSE OF POSITION The Senior Engineer provides technical leadership in ... Leading advanced electric, gas, and/or communications system performance analysis and outage ...

Sr Engineer

Wilmington, DE · On-site

$103K - $141K/yr

PRIMARY PURPOSE OF POSITION The Senior Engineer provides technical leadership in the planning ... Leading advanced electric, gas, and/or communications system performance analysis and outage ...

Senior Traffic Engineer

Milford, DE · On-site

$100K - $138K/yr

Description GPI is seeking a Senior Traffic Engineer to grow and lead our traffic engineering ... system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by ...

Senior Frontend Engineer

Wilmington, DE · On-site +1

$118K - $163K/yr

Senior Front-End Developer Frontend Engineering React • TypeScript • TanStack Router • ... Develop reusable, accessible UI components using a shared design system. Integrate frontend ...

Sr Java Full Stack Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Job Title: Sr Java Full Stack Developer Location: Wilmington, DE Duration: 2+ years Required ... Nice To Have KEY SKILLS - Need a Distributed Systems Engineer with • CQRS (Command Query ...

Sr. Principal Software Engineer

Wilmington, DE · On-site

$121K - $167K/yr

... a Senior Principal Software Engineer within their Consumer & Community Banking Operations ... The role involves delivering system design, application development, and driving innovation in ...

Showing results 41-60

Senior Systems Engineer information

See Delaware salary details

$56K

$124.8K

$176.2K

How much do senior systems engineer jobs pay per year?

As of Aug 7, 2026, the average yearly pay for senior systems engineer in Delaware is $124,839.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,600.00 and $143,100.00 per year, depending on experience, location, and employer.

What are some common challenges faced by senior systems engineers when integrating new technologies into existing infrastructure?

Senior Systems Engineers often encounter challenges such as ensuring compatibility between legacy systems and new technologies, minimizing downtime during migrations, and addressing unforeseen security vulnerabilities. Effective integration requires thorough planning, cross-team collaboration, and detailed testing to avoid disruptions to business operations. Staying current with emerging technologies and adopting best practices for change management are essential for overcoming these challenges and ensuring smooth implementation.

What are the key skills and qualifications needed to thrive as a senior systems engineer, and why are they important?

To thrive as a Senior Systems Engineer, you need expertise in systems architecture, troubleshooting, and network administration, typically supported by a degree in computer science or a related field and several years of relevant experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), automation tools (such as Ansible or PowerShell), and certifications like CompTIA, Microsoft, or Cisco are often required. Outstanding problem-solving, communication, and project management skills help you lead initiatives and collaborate effectively across teams. These competencies are crucial for ensuring system reliability, scalability, and security in complex IT environments.

What is a senior systems engineer?

A senior systems engineer is an IT (information technology) professional tasked with designing and maintaining network systems and security. Examples include large server or storage systems, computer networks, and mainframes. As a systems engineer, your primary duties are to oversee the daily operations of your facility and lead a team of engineers in designing new systems to replace old ones. You may work for a company that provides engineering services and solutions for other businesses, or you may be part of a large university or other institution's IT department. Skills needed for the career include the ability to work independently, leadership, and analytical problem-solving. A bachelor’s degree in electrical engineering or IT and significant experience in a lower systems engineering position are essential qualifications.

What is the difference between Senior Systems Engineer vs Systems Administrator?

AspectSenior Systems EngineerSystems Administrator
CertificationsCompTIA Security+, Cisco CCNA, Microsoft certificationsCompTIA A+, Network+, Microsoft certifications
Work EnvironmentDesigning, implementing, and troubleshooting complex systemsManaging daily system operations and user support
Industry UsageIT, technology, enterprise environmentsIT support, small to medium businesses

While both roles involve working with IT systems, Senior Systems Engineers focus on designing and implementing complex infrastructure, whereas Systems Administrators handle routine maintenance and user support. The senior role typically requires more advanced certifications and experience, and often involves strategic planning and system architecture.

What are the most commonly searched types of Systems Engineer jobs in Delaware? The most popular types of Systems Engineer jobs in Delaware are:
What are popular job titles related to Senior Systems Engineer jobs in Delaware? For Senior Systems Engineer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Senior Systems Engineer jobs in Delaware look for? The top searched job categories for Senior Systems Engineer jobs in Delaware are:
What cities in Delaware are hiring for Senior Systems Engineer jobs? Cities in Delaware with the most Senior Systems Engineer job openings:
Infographic showing various Senior Systems Engineer job openings in Delaware as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $124,839 per year, or $60 per hour.

Sr Java Full Stack Developer

Inframatix Inc

Wilmington, DE

$51 - $65.75/hr

Full-time

Re-posted 9 days ago


Job description

Company Description

InfraMatix Inc. is a Professional services and system integration company delivering IT security, identity, access management and regulatory compliance solutions leveraging 100s of years of collective experience across all major IAM vendor technologies. Focus on the strategy, design, configuration, implementation and management of its solutions for rapid success for the customers. The company seamlessly integrates software, deep professional services & expert support for all Identity Management activities, there by reduces financial, technical, and operational burden of managing Identity Management systems.
 

Job Description

Job Title: Sr Java Full Stack Developer

Location: Wilmington, DE

Duration: 2+ years

 

Required Experience "Minimum 10+ years

 

 

 

Overview

The people they are seeking, now, will be part of their Enterprise Platform Migration effort. This is a highly agile shop. The enterprise platform is built on Domain Driven design, with Event Driven architecture and Event Driven Microservices. They make extensive use of CQRS, Spring Boot and Axon. Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD) are all a vital part of all development.

 

Candidates don't have to have this knowledge but need to have very strong object-oriented programming experience at minimum. 

 

 

** PLEASE NOTE - Candidates will be asked to complete a Coding Challenge exercise in order to be considered for this engagement. This exercise should take several hours. The candidate's response should be production-ready. (The more production-ready, the better it will appear to the review team)

 

This is the candidate's opportunity to demonstrate their Java coding skills and expertise.     

 

Main Skills / Talking points

         Passion for software engineering and software craftsman-like coding skills

         Looking for people who have built/scaled systems that service a large user base (millions).

         Object-oriented programming, Test-Driven Development (TDD), Behavior-Driven Development (BDD)

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling / Domain driven design experience

         Axon Framework would be a big plus. 

         Gang-of-four design patterns (e.g. Observer, Factory, Command, Singleton, Decorator, etc.)

 

They need of people who:

         Are VERY strong, and expert, in Object-Oriented Programming

         Have a high level of enthusiasm and passion for this type of work.

         Are coding CRAFTSPEOPLE who take a great deal of pride in the efficient, high-level sophistication of their code.

         Have built/scaled systems that service a large user base (i.e. millions).  

         (in a perfect world) Contribute to Open Source projects.

They have, to this point, made a point of assembling a team of top notch developers who have experience in breaking down monolithic applications using event driven microservices. They are now looking for more.

Nice To Have  

KEY SKILLS - Need a Distributed Systems Engineer with 

         CQRS (Command Query Responsibility Segregation)

         Event driven architecture

         Domain modeling Domain driven design experience

         Axon Framework would be a big plus.  

Technologies (Strongly desired, but experience with equivalent technologies will work)

Programming Languages             Java 8, Groovy, GoLang, Cotlin, SQL, Shell

Patterns and Techniques             Domain-driven design, Command Query Responsibility Segregation

(CQRS), Event-Driven Architecture (EDA), Functional Programming

Platforms                                        OpenShift, Kubernetes, AWS

 

Soft Skills / Competencies (the more, the better)

         Passion for software engineering and software craftsman-like coding skills

         DevOps mindset

         Ability to conceptualize and develop cloud-native, production ready applications process

         Working experience with agile processes like extreme programming, lean and/or continuous delivery approaches.

         Ability to work effectively with distributed teams

         Think through hard problems and work with teams to make them reality

         Be a mentor and role model for other software engineers

         Understanding of enterprise and application architectures, software development tools and languages

Additional Information

All your information will be kept confidential according to EEO guidelines.