Jobs in Littleton | Careers in Government

17Jobs found

System Security Engineer/ ISSO
- Littleton, Colorado
- Sierra Nevada Corporation
- Full Time
- Federal Government
Sr Systems Security Engineer / Sr. Core Applications Administrator
- Littleton, Colorado
- Sierra Nevada Corporation
- Full Time
- Federal Government
Principal Systems Security Engineer / Senior ISSM
- Littleton, Colorado
- Sierra Nevada Corporation
- Full Time
- Federal Government
Systems Integration/Test Engineer (TS Clearance CI Poly Eligible)
- Littleton, Colorado
- North Point Technology
- Full Time
- Federal Government
Guidance, Navigation & Control Engineer III (Senior) - Top Secret
- Littleton, Colorado
- Lockheed Martin Corporation
- Full Time
- Federal Government
Quality Engineer with Security Clearance
- Littleton, Colorado
- PlanIt Group, LLC
- Full Time
- Federal Government
Senior Space Quality Engineer - Secret Clearance Eligible
- Littleton, Colorado
- Lockheed Martin Corporation
- Full Time
- Federal Government
Guidance, Navigation & Control Engineer II - Top Secret
- Littleton, Colorado
- Lockheed Martin Corporation
- Full Time
- Federal Government
Aircrew Rescue Swimmer & Navy Diver
- Littleton, Colorado
- US Navy
- Full Time
- Federal Government
SUPERVISORY SENSITIVE ACTIVITIES SPECIALIST
- Littleton, Colorado
- Navstar
- Full Time
- Criminology and Forensics
- Public Safety
Aircrew Rescue Swimmer & Navy Diver
- Littleton, Colorado
- US Navy
- Full Time
- Federal Government
Correctional Officer - Up to $49,000 Sign-on Bonus
- Littleton, Colorado
- Federal Bureau of Prisons
- Full Time
- CORRECTIONS
- Public Safety
Aircrew Rescue Swimmer & Navy Diver
- Littleton, Colorado
- U.S. Navy
- Full Time
- Federal Government
Access Control Tech II (Security Technician II)
- Littleton, Colorado
- Beacon Communications
- Full Time
- Criminology and Forensics
- Public Safety
Traffic Control Apprentice- Littleton, NH
- Littleton, New Hampshire
- Helix Traffic Solutions, LLC
- Full Time
- Federal Government
- Transportation or Transit
Sr Systems Security Engineer
- Littleton, Colorado
- Sierra Nevada Corporation
- Full Time
- Federal Government
Cook
- Littleton, Colorado
- U.S. Navy
$51434.988281
- Full Time
- Nutrition and Food Services

FEATURED JOBS

Featured Employers

System Security Engineer/ ISSO
- Littleton, Colorado 80130 United States
- Sierra Nevada Corporation
- Jul 12, 2026
- Full Time
Sierra Nevada Corporation

Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country. Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service. Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.
Read more ›
Apply Now View job
Share this job:
Job Details
- Full Time
- Jul 12, 2026
Job Description
Are you passionate about supporting information systems? Join our team! As a Systems Security Engineer II/ ISSO, you will take on a supporting role in maintaining secure IT systems and support the ISSM in day-to-day operations and Risk Management Framework activities

As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities:
Perform security monitoring.
Monitor security controls and protocols.
Research and implement new security tools and technologies.
Contribute to the development and refinement of security policies and procedures.
Perform Continuous Monitoring activities.
Support customer requests.

Qualifications You Must Have:
Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related Engineering discipline.
2+ years of experience in IT security or a related field.
Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 6 years of related experience is required.
Higher level relevant degree may substitute for experience.
Strong understanding of cybersecurity principles and practices.
Experience with security frameworks and standards such as Risk Management Framework (RMF) and National Institute of Standards and Technology (NIST 800-53).
Excellent communication and people skills.
An active Secret U.S. Security Clearance is required.
Ability to work in an office fulltime.

Qualifications We Prefer:
Experience in the aerospace or defense industry.
Applicable Industry certifications such as Security + or Network +, etc.

Essential Functions:
Ability to work primarily at a computer for extended periods.
Must be able to lift up to 25 lbs. occasionally.

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: $94,345.12 - $129,724.54. 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 current/active 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. Are you passionate about supporting information systems? Join our team! As a Systems Security Engineer II/ ISSO, you will take on a supporting role in maintaining secure IT systems and support the ISSM in day-to-day operations and Risk Management Framework activities

As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities:
Perform security monitoring.
Monitor security controls and protocols.
Research and implement new security tools and technologies.
Contribute to the development and refinement of security policies and procedures.
Perform Continuous Monitoring activities.
Support customer requests.

Qualifications You Must Have:
Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related Engineering discipline.
2+ years of experience in IT security or a related field.
Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 6 years of related experience is required.
Higher level relevant degree may substitute for experience.
Strong understanding of cybersecurity principles and practices.
Experience with security frameworks and standards such as Risk Management Framework (RMF) and National Institute of Standards and Technology (NIST 800-53).
Excellent communication and people skills.
An active Secret U.S. Security Clearance is required.
Ability to work in an office fulltime.

Qualifications We Prefer:
Experience in the aerospace or defense industry.
Applicable Industry certifications such as Security + or Network +, etc.

Essential Functions:
Ability to work primarily at a computer for extended periods.
Must be able to lift up to 25 lbs. occasionally.

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: $94,345.12 - $129,724.54. 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 current/active 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.
Apply Now View job
Share this job:
Please mention you found this employment opportunity on the CareersInGovernment.com job board.
Sierra Nevada Corporation

Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country.

Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.

Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.
Sierra Nevada Corporation
- https://careersingovernment.com/
See All Employer Jobs

Search Jobs In Littleton

17 Jobs in Littleton

System Security Engineer/ ISSO

Sr Systems Security Engineer / Sr. Core Applications Administrator

Principal Systems Security Engineer / Senior ISSM

Systems Integration/Test Engineer (TS Clearance CI Poly Eligible)

Guidance, Navigation & Control Engineer III (Senior) - Top Secret

Quality Engineer with Security Clearance

Senior Space Quality Engineer - Secret Clearance Eligible

Guidance, Navigation & Control Engineer II - Top Secret

Aircrew Rescue Swimmer & Navy Diver

SUPERVISORY SENSITIVE ACTIVITIES SPECIALIST

Aircrew Rescue Swimmer & Navy Diver

Correctional Officer - Up to $49,000 Sign-on Bonus

Aircrew Rescue Swimmer & Navy Diver

Access Control Tech II (Security Technician II)

Traffic Control Apprentice- Littleton, NH

Sr Systems Security Engineer

Cook

FEATURED JOBS

Chief Executive Officer

Planner III - Engineering / Development Department

Assistant Director of Recreation & Community Services

Featured Employers

City of Brentwood, California

City of Fort Worth

Montana Department of Justice

System Security Engineer/ ISSO

Sierra Nevada Corporation

Job Details

Job Description

Sierra Nevada Corporation

Sierra Nevada Corporation

Search Jobs In Littleton

17 Jobs in Littleton

System Security Engineer/ ISSO

Sr Systems Security Engineer / Sr. Core Applications Administrator

Principal Systems Security Engineer / Senior ISSM

Systems Integration/Test Engineer (TS Clearance CI Poly Eligible)

Guidance, Navigation & Control Engineer III (Senior) - Top Secret

Quality Engineer with Security Clearance

Senior Space Quality Engineer - Secret Clearance Eligible

Guidance, Navigation & Control Engineer II - Top Secret

Aircrew Rescue Swimmer & Navy Diver

SUPERVISORY SENSITIVE ACTIVITIES SPECIALIST

Aircrew Rescue Swimmer & Navy Diver

Correctional Officer - Up to $49,000 Sign-on Bonus

Aircrew Rescue Swimmer & Navy Diver

Access Control Tech II (Security Technician II)

Traffic Control Apprentice- Littleton, NH

Sr Systems Security Engineer

Cook

Users also searched for:

FEATURED JOBS

Chief Executive Officer

Planner III - Engineering / Development Department

Assistant Director of Recreation & Community Services

Featured Employers

City of Brentwood, California

City of Fort Worth

Montana Department of Justice

System Security Engineer/ ISSO

Sierra Nevada Corporation

Job Details

Job Description

Sierra Nevada Corporation

Sierra Nevada Corporation