Systems Engineer I (Full-Time, On-Site)

S3I EngineeringLexington Park, MD

$90,000 - $130,000 / year

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Overview

Schedule

Full-time

Education

Engineering (PE)

Career level

Senior-level

Remote

On-site

Compensation

$90,000-$130,000/year

Benefits

Health Insurance

Dental Insurance

Paid Holidays

Job Description

S3I Engineeringprovides specialty engineering services, systems integration, and operational support to US Government agencies. Our technical expertise covers multiple facets of the Software, Systems, Cyber, and Hardware Engineering disciplines. Our engineers have expert knowledge of the critical mission management systems and their deployment on various DOD, DHS, and other platforms.S3I is currently looking for entry and mid-level Systems Engineers. You will be working with cutting-edge technology to test complex mission management systems and their sensors. From testing capabilities to optimizing performance and reliability, your expertise will play a pivotal role in ensuring mission success. If you love to solve hard complex problems and are willing to embrace the challenge, embark on a career where every day brings new opportunities to push the boundaries of what is possible. Join us and be a part of shaping the future. Job Title: Systems Engineer IWork Schedule: M-F, 8AM-5PM, FlexibleJob Classification: ExemptPrimary Location: Lexington Park, MDTravel: 12-18 weeks per yearSalary Range: $90,000 to $130,000 depending on experience and skill set

Position Description: Systems Engineer I

Position SummaryThe Systems Engineer I supports the development, integration, testing, and analysis of mission systems and sensors deployed across DoD platforms. This role focuses on troubleshooting, system configuration, testing execution, and technical documentation within structured engineering processes. This work includes laboratory and field test activities associated with complex sensor and mission systems.

Key Responsibilities

Assist in the installation, configuration, and testing of mission systems with related sensors and other integrated software within government labs and aircraft environments.
Conduct basic troubleshooting using Linux command‑line tools and established diagnostic procedures.
Configure test bench systems to support validation of software requirements and system behavior.
Support reproduction of system anomalies reported from fielded systems and assist in documenting root cause indicators.
Participate in design reviews under supervision, offering technical observations aligned with requirements derivation.
Prepare field test reports, summary documents, and structured notes for senior engineers and government personnel.
Follow DoD and DCSA cybersecurity practices during configuration, testing, and system interaction.
Provide dependable and professional support to government stakeholders and partner organizations.

Support tasking outside of normal business hours (

Travel to support tasking approximately 12-18 weeks annually

Required Qualifications

Bachelor of Science in Engineering, Computer Science, Computer Hardware, Mathematics, Physics, or related technical field; or equivalent experience.
Foundational experience in Linux-based troubleshooting and system analysis across separate interdependent projects.
Familiarity with constructing or configuring basic computer systems in a Linux environment with multiple interdependent services or projects.
Ability to obtain DoD 8570/8140 compliance by certification or education within 6 months of starting.
Strong organizational and communication skills.
The ability to work within dynamic test environments across organizations.
US Citizenship and eligibility for a TS/SCI clearance.
Ability to access government facilities and travel between office and government sites as required.

Desired Qualifications

Familiarity with mission systems or sensor technologies such as EO/IR, Radar, SIGINT.
Exposure to DoD cloud environments including IL5 or higher.
Basic experience with software configuration management tools such as Git.
Previous experience with Minotaur systems is strongly desired.

Physical Requirements

Ability to lift and carry approximately 40 lbs.
Ability to perform work in confined spaces during system testing.
Ability to access government locations, facilities, and vessels.

S3I Engineering, LLC is a small business supporting the US Navy. S3I offers a generous benefits package including Medical and Dental benefits, Holiday and Paid Leave, 401K with Matching, and a Profit-Sharing Plan. S3I Employee compensation is highly competitive and commensurate with experience. If you have any of these skills, we encourage you to apply!EEO Women, minorities, individuals with disabilities, and Veterans are encouraged to apply. S3I Engineering is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected Veteran status, or disability status. S3I will provide a reasonable accommodation to individuals with disabilities and disabled Veterans who need assistance to apply.

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FAQs About Systems Engineer I (Full-Time, On-Site) Jobs at S3I Engineering

What is the work location for this position at S3I Engineering?

This job at S3I Engineering is located in Lexington Park, MD, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at S3I Engineering?

Candidates can expect a pay range of $90,000 and $130,000 per year.

What employment applies to this position at S3I Engineering?

S3I Engineering lists this role as a Full-time position.

What experience level is required for this role at S3I Engineering?

S3I Engineering is looking for a candidate with "Senior-level" experience level.

What education level is required for this job?

The education requirement for this position is Engineering (PE). Candidates with relevant qualifications or equivalent experience may also be considered.

What benefits are offered by S3I Engineering for this role?

S3I Engineering offers following benefits: Health Insurance, Dental Insurance, Paid Holidays, Paid Vacation, and 401k Matching/Retirement Savings for this position. Actual benefits may vary depending on the employer's policies and employment terms.

What is the process to apply for this position at S3I Engineering?

You can apply for this role at S3I Engineering either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.