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3 Weeks Jobs in Colorado (NOW HIRING)

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · Hybrid

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · Hybrid

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · Hybrid

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · Hybrid

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Highlands Ranch, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · On-site

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

Sierra Nevada Corporation

Software Engineer III

Lone Tree, CO · Hybrid

$108K - $149K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more. IMPORTANT ...

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All Jobs3 Weeks Jobs3 Weeks Jobs in Colorado

3 Weeks information

What is a 3 weeks job?

'3 Weeks' is not a standard job title or recognized occupation. It may refer to the duration of a temporary assignment, internship, or project-based work that lasts for three weeks. Employers sometimes hire short-term staff for seasonal work, special projects, or to cover absences. If you see '3 Weeks' associated with a job posting, it likely describes how long the role is expected to last rather than the job title itself.

What types of projects or assignments can a new hire expect to work on during their first three weeks on the job?

In the first three weeks, new hires typically focus on onboarding activities, such as training sessions, shadowing experienced team members, and completing initial assignments that introduce them to company processes. They may be assigned small-scale tasks or collaborative projects that help them build familiarity with the tools, workflows, and expectations of their role. This period is crucial for building relationships within the team and gaining confidence in daily responsibilities. Managers often provide regular feedback and support to ensure a smooth transition and set the stage for future growth.

What are the key skills and qualifications needed to thrive as a 3 weeks professional, and why are they important?

I'm sorry, but '3 Weeks' is not a recognized real-world job title, so I cannot provide relevant skills and qualifications for this role.

What is the difference between 3 Weeks vs Medical Assistant?

Aspect3 WeeksMedical Assistant
Required CredentialsShort-term training, certification programsPost-secondary education, certification (CMA or RMA)
Work EnvironmentVaries; often short-term or project-basedClinics, hospitals, medical offices
Industry UsageTemporary or quick training rolesHealthcare industry, patient care

While 3 Weeks typically refers to short-term training programs or certifications, Medical Assistants are trained healthcare professionals working in medical settings. The main difference lies in scope: 3 Weeks is often a brief training period, whereas Medical Assistants have more comprehensive training and responsibilities in healthcare environments.

What are the most commonly searched types of 3 Weeks jobs in Colorado?

The most popular types of 3 Weeks jobs in Colorado are:

What are popular job titles related to 3 Weeks jobs in Colorado?

For 3 Weeks jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching 3 Weeks jobs in Colorado look for?

The top searched job categories for 3 Weeks jobs in Colorado are:

3 Weeks jobs near you
Infographic showing various 3 Weeks job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 65% Full Time, 7% Part Time, 1% Temporary, and 26% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution.

Software Engineer III

Sierra Nevada Corporation

Lone Tree, CO • On-site

$108K - $149K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago

Sierra Nevada Corporation rating

8.7

Company rating: 8.7 out of 10

Based on 29 frontline employees who took The Breakroom Quiz

17th of 72 rated aerospace companies

Job description

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. As a Software Engineer III, you will lead the design, development, and optimization of complex software systems for aerospace applications. You will collaborate with cross-functional teams to ensure software meets stringent performance and quality standards.
The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations - with an unrivaled record of on time and on (or under) budget deliveries.
Responsibilities:
  • Lead the design, development, and testing of complex software components.
  • Debug and troubleshoot advanced software issues.
  • Write and maintain detailed code documentation.
  • Conduct thorough code reviews and provide mentorship to junior engineers.
  • Collaborate with team members to ensure code quality and adherence to standards.
  • Support the integration of software with hardware systems.
  • Define software requirements and specifications in collaboration with stakeholders.
  • Drive continuous improvement initiatives to enhance software performance and quality.

Qualifications You Must Have:
  • Bachelor's degree in Computer Science, Software Engineering, or related field.
  • 6+ years of experience in experience in software development.
  • Higher level relevant degree may substitute for experience.
  • Proficiency in programming languages such as Java.
  • Practical knowledge of engineering principles and practices.
  • Experience working in multi-disciplinary teams.

Qualifications We Prefer:
  • Experience with Linux (RHEL) and windows services
  • Knowledge of tactical/moving map software integration
  • Knowledge with hardware integration and protocol development
  • Background in Aerospace and Defense industry.
  • Understanding of industry standard software languages and frameworks such as C#, C++, Java, Python, Java Script/Typescript, React, WPF, and .NET
  • Experience with software tools for requirements tracking, code reviews, static analysis, library and artifact repository, and automated build.
  • Knowledge of software development methodologies such as Agile/Scrum, Waterfall, and Spiral.
  • Experienced with data structures.

Essential Functions:
  • Ability to work on a computer for extended periods.
  • Hand/finger dexterity for coding and testing.
  • Ability to work in a hybrid environment with occasional travel.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.
Estimated Starting Salary Range: $108,496.89 - $149,183.22. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.
SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.
IMPORTANT NOTICE:
This position requires the ability to obtain and maintain a Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.
Learn more about the background check process for Security Clearances.
SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We're known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation's most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!
SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

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