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Senior Software Engineer Level 3 Jobs (NOW HIRING)

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Huntsville, AL. Summary:

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Huntsville, AL. Summary:

OASYS

Senior Software Engineer

Huntsville, AL · Hybrid

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3, to support our customer in Huntsville, AL. Summary:

OASYS

Senior Software Engineer

Huntsville, AL · Hybrid

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Huntsville, AL. Summary:

OASYS, INC.

Senior Software Engineer

Littleton, CO · On-site

$120K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Littleton, CO. Summary:

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Huntsville, AL. Summary:

OASYS, INC.

Senior Software Engineer

Huntsville, AL · On-site

$114K - $150K/yr

Senior Software Engineer, Level 3 OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior Software Engineer, Level 3 to support our customer in Huntsville, AL. Summary:

TAP Engineering LLC

Software Engineer Level 3

Hanover, MD · On-site

$134K - $162K/yr

Software Engineer Level 3 Software | Hanover, MD | Full Time Position: Software Engineer Level 3 ... Experience mentoring senior and junior engineers * Ability to drive technical strategy and ...

Prescient Edge

Software Engineer Level 3

Washington, DC · On-site

Job Title Software Engineer Level 3 Location Washington, DC 20032 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Bachelor's Degree Travel ...

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Senior Software Engineer Level 3 information

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How much do senior software engineer level 3 jobs pay per year?

As of Aug 1, 2026, the average yearly pay for senior software engineer level 3 in the United States is $143,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,500.00 and $161,500.00 per year, depending on experience, location, and employer.

What is a level 3 software engineer?

A Level 3 Software Engineer is a mid-to-senior position that typically involves designing, developing, and maintaining software systems with increased responsibility and independence. They often have several years of experience, proficiency in programming languages, and may mentor junior engineers while contributing to project planning and code reviews.

What is the difference between Senior Software Engineer Level 3 vs Senior Software Engineer Level 2?

CriteriaSenior Software Engineer Level 3Senior Software Engineer Level 2
ExperienceTypically 5+ years of experienceUsually 3-5 years of experience
ResponsibilitiesLeads complex projects, mentors juniors, influences architectureHandles moderate projects, provides guidance to juniors
SkillsAdvanced technical skills, system design, problem-solvingProficient technical skills, coding, debugging
CertificationsOptional, but often includes specialized certificationsOften includes foundational certifications

The main difference between Senior Software Engineer Level 3 and Level 2 lies in experience, scope of responsibilities, and technical expertise. Level 3 engineers typically lead complex projects and mentor others, reflecting a higher level of proficiency and leadership within the team.

What engineer makes $500,000 a year?

Senior Software Engineers at top tech companies or those in specialized roles such as machine learning or infrastructure engineering can earn $500,000 or more annually, often including bonuses, stock options, and other compensation. Achieving this level typically requires extensive experience, advanced skills, and working in high-demand environments with competitive pay structures.

What engineers make $300,000 a year?

Senior Software Engineers at large tech companies or those with specialized skills in areas like machine learning, cloud computing, or cybersecurity can earn $300,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially in competitive markets or executive-level roles.

How much do L3 software engineers make?

Senior Software Engineer Level 3 positions typically have a salary range between $110,000 and $160,000 annually, depending on location, company size, and experience. Compensation may also include bonuses, stock options, and benefits, especially in competitive tech markets.
More about Senior Software Engineer Level 3 jobs
What cities are hiring for Senior Software Engineer Level 3 jobs? Cities with the most Senior Software Engineer Level 3 job openings:
What are the most commonly searched types of Software Engineer Level 3 jobs? The most popular types of Software Engineer Level 3 jobs are:
What states have the most Senior Software Engineer Level 3 jobs? States with the most job openings for Senior Software Engineer Level 3 jobs include:
What job categories do people searching Senior Software Engineer Level 3 jobs look for? The top searched job categories for Senior Software Engineer Level 3 jobs are:
Senior Software Engineer Level 3 jobs near you
Infographic showing various Senior Software Engineer Level 3 job openings in the United States as of July 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution, with an average salary of $143,292 per year, or $68.9 per hour.

Senior Software Engineer - Level 3

Lockheed Martin

Fort Worth, TX

$117K - $154K/yr

Other

Re-posted 9 days ago

Lockheed Martin rating

8.2

Company rating: 8.2 out of 10

Based on 389 frontline employees who took The Breakroom Quiz

37th of 71 rated aerospace companies

Job description

You will be the Senior Software Engineer - Level 3 for the Vehicle Management Software Team which is responsible for developing modular and reusable software for aircraft subsystems.


What You Will Be Doing


As the Senior Software Engineer - Level 3 you will be responsible for advancing software that enables aircraft to fly, working across embedded avionics, ground station development, and mission systems.


Your responsibilities will include:



  • Full software lifecycle development spanning avionics services, ground station development, and mission system technologies.

  • Support ground station development for manned and unmanned systems.

  • Develop simulations to aid software development and testing.

  • Interface with software and systems engineers to define requirements for rapid prototypes.

  • Participate in integration and test events.


What's In It For You


We are committed to supporting your work-life balance and overall wellbeing, offering flexible scheduling options. Learn more about Lockheed Martin's comprehensive benefits package here. Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus - if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you.


Who You Are


A collaborative, resultsdriven software engineer with deep expertise in embedded systems and a passion for aviation. You thrive in fastpaced, multisite environments and enjoy turning complex requirements into reliable, reusable code. This role offers the chance to influence cuttingedge aircraft platforms and shape the future of aerospace software.


Further Information About This Opportunity


MUST BE A U.S. CITIZEN -This position is located at a facility that requiresspecial access. The selected candidate must possess an active Secretclearance to start.

What Lockheed Martin employees say

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About Lockheed Martin

Sourced by ZipRecruiter

As a global security and aerospace company, the majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies.The remaining portion of Lockheed Martin's business is comprised of international government and commercial sales of products, services and platforms.

Industry

Manufacturing

Company size

10,000+ Employees

Headquarters location

Bethesda, MD, US

Year founded

1912

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