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Operating System Engineer Jobs in Orlando, FL (NOW HIRING)

Create and maintain detailed system documentation, runbooks, and knowledge base articles to ... Linux operating systems (e.g., CentOS, Ubuntu, Debian) and core services. • Proficiency in ...

Create and maintain detailed system documentation, runbooks, and knowledge base articles to ... Solid understanding of Linux operating systems (e.g., CentOS, Ubuntu, Debian) and core services.

Create and maintain detailed system documentation, runbooks, and knowledge base articles to ... Solid understanding of Linux operating systems (e.g., CentOS, Ubuntu, Debian) and core services.

Senior Software Engineer

Orlando, FL · On-site

$120 - $180/hr

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of ... Strong experience with Linux-based operating systems. * Knowledge of one or more continuous ...

Senior Software Engineer

Orlando, FL · On-site

$106K - $140K/yr

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of ... Strong experience with Linux-based operating systems. * Knowledge of one or more continuous ...

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of ... Working knowledge and hands-on experience in both Windows and Linux operating system environments.

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of ... Working knowledge and hands-on experience in both Windows and Linux operating system environments.

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of ... Working knowledge and hands-on experience in both Windows and Linux operating system environments.

TEE products are in engineering labs, in the field, and in production environments utilized for ... Prior experience in Windows Operating System and Microsoft Visual Studio is required. * Prior ...

This position supports fielded systems, develops engineering modifications to resolve operational issues, and designs auxiliary systems that enable advanced operating modes including hydrogen ...

Showing results 21-40

Operating System Engineer information

See Orlando, FL salary details

$49.9K

$118.8K

$155.9K

How much do operating system engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for operating system engineer in Orlando, FL is $118,757.00, according to ZipRecruiter salary data. Most workers in this role earn between $91,500.00 and $146,600.00 per year, depending on experience, location, and employer.

What are some common challenges faced by operating system engineers when maintaining system stability in large-scale environments?

Operating System Engineers often encounter challenges such as managing software patching across diverse hardware, ensuring compatibility with legacy applications, and minimizing downtime during critical updates. In large-scale environments, balancing security with performance and reliability can be complex, especially when multiple teams depend on the systems. Effective communication with development, security, and IT operations teams is essential to address these issues proactively and maintain overall system stability.

What does an operating system engineer do?

An Operating System Engineer is responsible for designing, developing, maintaining, and optimizing operating systems that run on computers and servers. They work on the core components that manage hardware resources, enable software applications, and ensure system security and stability. Their duties often include writing system-level code, troubleshooting performance issues, implementing updates, and collaborating with hardware and software teams. Operating System Engineers play a critical role in ensuring that computing environments are efficient, reliable, and secure.

What is the difference between Operating System Engineer vs System Administrator?

AspectOperating System EngineerSystem Administrator
Primary FocusDesigning, developing, and optimizing operating systemsMaintaining, configuring, and supporting existing systems
Skills & CertificationsLinux/Unix, scripting, OS architecture, certifications like RHCE or Linux FoundationSystem management, network setup, troubleshooting, certifications like CompTIA Server+ or Microsoft Certified
Work EnvironmentDevelopment teams, R&D, engineering projectsIT support, data centers, enterprise environments
Industry UsageTech companies, hardware firms, software developmentCorporate IT, government agencies, healthcare, finance

While both roles involve working with operating systems, Operating System Engineers focus on designing and developing OS solutions, whereas System Administrators manage and support existing systems. The roles complement each other but serve different stages of the system lifecycle.

What are the key skills and qualifications needed to thrive as an operating system engineer?

To thrive as an Operating System Engineer, you need a deep understanding of computer science principles, operating system internals, and strong programming skills in languages like C, C++, or Rust, often backed by a relevant degree. Familiarity with kernel development, debugging tools, virtualization platforms, and experience with version control systems (such as Git) are typically required. Problem-solving abilities, attention to detail, and effective communication are soft skills that set top performers apart. These skills ensure the reliability, performance, and security of operating systems, which are foundational to all computing environments.
What are popular job titles related to Operating System Engineer jobs in Orlando, FL? For Operating System Engineer jobs in Orlando, FL, the most frequently searched job titles are:
What cities near Orlando, FL are hiring for Operating System Engineer jobs? Cities near Orlando, FL with the most Operating System Engineer job openings:
Infographic showing various Operating System Engineer job openings in Orlando, FL as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $118,757 per year, or $57.1 per hour.

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 13 days ago


Job description

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of modeling and simulation (M&S) training solutions to the Federal Government and industry. Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains.  CESI also designs, builds and runs infrastructure, platforms, applications and processes that enable cyber training for the integrated multi-domain force. Our vision is to become a worldwide full spectrum LVCG and cyber training/analysis developer, integrator and services provider.


This position is for the NCRC Range Modernization (RM) Software Engineer position providing development, testing, and support associated with their designated NCRC product scrum team.


  • Perform as a software developer on an NCRC product scrum team.
  • Support resolution of open program problem reports (PPRs) associated with their designated NCRC product scrum team.
  • Develop unit tests for development assignments and support integration testing efforts.
  • Execute the software engineering tasks necessary to maintain and make changes to program baseline architectures.
  • Provide occasional development guidance and input to junior software developers.
  • Support cyber range capability assessments, evaluations, and technology prototypes.
  • Provide remote site support for setup, configuration, and delivery activities.

  • Bachelor’s degree with a focus in computer science, computer engineering, or a related discipline with corresponding experience and demonstrated mastery of relevant topics.
  • Two (2) years or more of related, proven experience performing similar duties.
  • High-level knowledge of: software development to include agile software development practices; programming languages; operating systems; networks; enterprise and consumer IT concepts, architectures, and systems (compute, network, storage).
  • Proficiency in Python, Java, and C/C++ development and scripting in PowerShell and bash.
  • Experience with Linux-based operating systems.
  • Knowledge of one or more continuous integration tools such as Jenkins.
  • Knowledge of one or more of the following: MySQL, MariaDB, MongoDB, PostgreSQL, and NoSQL
  • Experience with project logistics and working with controlled engineering baselines.
  • Familiarity with version control systems such as SVN and Git.
  • Ability and experience effectively communicating technical and programmatic issues.
  • Demonstrated ability to work within teams.
  • Strong organizational skills.
  • Top Secret clearance eligibility.

  • Master’s degree with a focus in computer science, computer engineering, or a related discipline, or five (5) years or more of related, proven experience performing similar duties.
  • Experience working with platform development, end-users (operators), and system developers.
  • Strong experience with Linux-based operating systems.
  • Experience with complex enterprise infrastructures using various operating systems and configuring domain services such as AD, Exchange/email, DNS, DHCP, VPN, databases, IIS, Apache, etc.
  • Experience with virtualization and containerization technologies such as: VMWare, Docker, HyperV, Xen, Kubernetes, etc.
  • Experience with software defined networking and network function virtualization.
  • Knowledge of networking protocols such as TCP/IP, HTTP, HTTPS, TFTP, DNS, FTP, etc.
  • Knowledge of user simulator technologies and solutions, which generate network and application traffic to simulate realistic users.
  • Knowledge of DevSecOps methodologies and tools.

Please note that pursuant to a government contract, this specific position requires U. S. Citizenship status and a SECRET security clearance, with an ability to obtain a TOP SECRET security clearance.  Security Clearance requirements will be specified in the Government's Task Order.

This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. The above is intended to describe the general contents of and requirements for the performance of this job.


CESI recognizes that our strength is our people. We support every employee as an individual to build strong teams across the enterprise.  Our benefit package includes:

  • Medical, Dental & Vision Coverage
  • Wellness Program
  • 401(k) Matching
  • Disability (Short Term & Long Term)
  • Employee Assistance Program
  • Education & Training
  • Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)

CESI is committed to principles of inclusion and equal employment opportunity.  We foster a non-discriminatory, professional work environment for all our teams.  We do not discriminate based on race, color, religion, sex, pregnancy, sexual orientation, gender identity, genetic information, national origin, age, marital status, disability, or veteran status.