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Contract Security Engineer Ubuntu Jobs in Modesto, CA

Systems Engineer

Tracy, CA · Hybrid

$105K/yr

Coordinate daily with government and contract POC. * Support the completion of daily checklists and ... Security Clearance: * DoD Top Secret clearance * Certifications: * DoD 8570 IAT Level II ...

Systems Engineer

Tracy, CA · On-site

$10/hr

Coordinate daily with government and contract POC. * Support the completion of daily checklists and ... Security Clearance: * DoD Top Secret clearance * Certifications: * DoD 8570 IAT Level II ...

Coordinate daily with government and contract POC. * Support the completion of daily checklists and ... Security Clearance: * DoD Top Secret clearance * Certifications: * DoD 8570 IAT Level II ...

Project Manager

Livermore, CA · On-site

$120K - $140K/yr

... with contract terms and conditions. The Project Manager will lead a multi-disciplined team and ... Bachelor of Science in relevant degree (Engineering, Physical Science) * PMP Certification ...

Contract Security Engineer Ubuntu information

See Modesto, CA salary details

$64.9K

$161.2K

$216.8K

How much do contract security engineer ubuntu jobs pay per year?

As of Aug 13, 2026, the average yearly pay for contract security engineer ubuntu in Modesto, CA is $161,176.00, according to ZipRecruiter salary data. Most workers in this role earn between $150,900.00 and $167,200.00 per year, depending on experience, location, and employer.

What is the difference between Contract Security Engineer Ubuntu vs Contract Security Analyst?

AspectContract Security Engineer UbuntuContract Security Analyst
CertificationsCompTIA Security+, CISSP, CEHCompTIA Security+, CISSP, CISA
Work EnvironmentLinux-based systems, cybersecurity teams, technical rolesSecurity monitoring, risk assessment, policy development
Employer & IndustryTech companies, government agencies, cybersecurity firmsFinancial institutions, government, consulting firms

The Contract Security Engineer Ubuntu primarily focuses on securing Linux systems, especially Ubuntu, through technical implementation and system hardening. In contrast, the Contract Security Analyst emphasizes analyzing security risks, monitoring threats, and developing security policies. Both roles require similar certifications and often work within cybersecurity teams, but their daily tasks and focus areas differ significantly.

What are popular job titles related to Contract Security Engineer Ubuntu jobs in Modesto, CA? For Contract Security Engineer Ubuntu jobs in Modesto, CA, the most frequently searched job titles are:
What job categories do people searching Contract Security Engineer Ubuntu jobs in Modesto, CA look for? The top searched job categories for Contract Security Engineer Ubuntu jobs in Modesto, CA are:
What cities near Modesto, CA are hiring for Contract Security Engineer Ubuntu jobs? Cities near Modesto, CA with the most Contract Security Engineer Ubuntu job openings:
Infographic showing various Contract Security Engineer Ubuntu job openings in Modesto, CA as of June 2026, with employment types broken down into 71% Full Time, 18% Part Time, 1% Temporary, and 10% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution, with an average salary of $161,176 per year, or $77.5 per hour.

R&D Mechanical Engineer

Geosyntec Consultants, Inc.

Livermore, CA • On-site

Contractor

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Job description

Overview
Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Research and Development Engineer to contribute to our mission supporting our work at Sandia National Labs in Livermore, California.
Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.
We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.
To Learn More Visit: http://www.geosyntec.com/careers/.
Essential Duties and Responsibilities
The Telemetry (TM) team at the National Laboratories in Livermore, CA is seeking an R&D Mechanical Engineer to join our dynamic team! We are responsible for the design, development, testing, and qualification of multiple telemetry products across the ND portfolio. As a Mechanical Engineer, you will contribute to the mechanical design, conduct full product environmental testing, and verify requirements in support of qualification and product delivery. Your role will also include fixture development, documentation, hardware assembly, and managing fabrication processes. Our telemetry units are highly integrated electro-mechanical designs that must operate effectively in severe environments. Success in this role requires the ability to collaborate with a multi-faceted engineering team.
Organization 8434, Telemetry Engineering II - along with sister departments 08432, 08433, 08435 and 08436- has responsibility for the design, development, and qualification of weapon system instrumentation (or telemetry systems) for use in Joint Test Assemblies (JTAs) for the entire US nuclear arsenal. The JTA program is a cornerstone of the Stockpile Evaluation Program and allows critical assessment of the weapon system, DoD platform, and support personnel performance. To fulfill its mission responsibilities, Organization 8434 employs a diverse and talented group of electrical engineers, mechanical engineers, and technologists. The Organization collaborates with other NW groups within the National Laboratories and across the Nuclear Weapons Complex, including NNSA, Lawrence Livermore National Laboratory, Los Alamos National Laboratory, the production agencies (National Security Center and Pantex), and the DoD. Organization 0843x is also expected to have significant interactions with other DOE Laboratories and other NNSA entities (beyond the NW Complex), the DoD, and other government agencies.
  • Collaborate with stakeholders to understand and document system needs and requirements for Telemetry hardware;
  • Work with a cross-functional team to establish long-term visions and short-term priorities for the mechanical engineering team;
  • Utilize critical thinking to troubleshoot both mechanical and electromechanical issues, providing solutions within programmatic constraints;
  • Engage in hands-on work with the Telemetry product through fabrication and testing activities;
  • Use CREO and PDMLink to design and model the Telemetry product;
  • Perform and analyze fine element analysis (FEA) simulations for stress, strain, modal and thermal environments;
  • Work with vendors and Sandia buyers to procure development parts;
  • Work with MCAD and the product definition team to create and authorize product drawings; and
  • The position requires an ability to travel up to 25% to support the mission.

Education and Licensure
  • Bachelor's degree in mechanical engineering or other relevant Engineering field. (required)

Skills, Experience and Qualifications
  • At least 5 years of experience or equivalent combination of education and experience. (required)
  • Mechanical Testing (Shock, Vibration, Temperature, Pressure, Humidity) and data analysis.
  • Strong design skills in CAD.
  • GD&T knowledge.
  • Experience designing for multiple manufacturing processes including machined aluminum, sheet metal and 3D printing (FDM).
  • Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance. (required)
  • Due to federal contract security requirements, this position requires U.S. Citizenship. (required)
  • Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)

Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.
PREFERRED QUALIFICATIONS & LOCATION DETAILS:
  • Graduate level degree in Mechanical Engineering.
  • Experience within the NNSA complex.
  • GD&T ANSI Y14.5 experience.
  • Experience with nuclear weapons and/or test assembly design principles.
  • Demonstrated experience with designing, testing, or fabricating aerospace hardware.
  • Demonstrated experience with testing in vibration, shock, thermal, vacuum, and centrifugre.
  • CREO skills.
  • Active DOE Q Clearance.
  • Livermore, CA - Onsite Position.
  • Contract Duration of 2-3 years.

This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntec's total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location.
  • Minimum Salary: $115,000/year / Maximum Salary: $130,00 /year (CA)

We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.
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