security+ Jobs in denver, co

201 - 220 of 3,407 Jobs

Cable Infrastructure Technician / TS/SCI / Onsite: Littleton, COJob Title - Cable Infrastructure Technician / TS/SCI / Onsite: Littleton, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description This is a critical position supporting the Space Systems Company in Denver, CO working directly with our internal and external customers This Enterprise Operations (EO) position supports the Lockheed Martin Space division located at the Waterton Facility in Littleton, CO. Individual will be part of a small networking team supporting a variety of classified areas and networks. LM Space classified copper and fiber infrastructure supports numerous programs. The primary focus of thi

Sr. Systems Security EngineerJob Title - Sr. Systems Security Engineer

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

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Lone Tree, Colorado, USA

Full-time

If you like solving complex IT and security problems using your deep analytical skills, this is the opportunity for you! As a Sr Systems Security Engineer, you will be using your skills and expertise to design, test, and implement our secure operating systems, networks, security monitoring, and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions, conducting risk and vulnerabili

Software Engineer II, Electrical Ground Support System (EGSE))Job Title - Software Engineer II, Electrical Ground Support System (EGSE))

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description The Fleet Ballistic Missile (FBM) program is seeking a Software Engineer to join the Electrical Ground Support Equipment (EGSE) team. Location: Although this position does support some teleworking; the selected candidate will need to be located near our Lockheed Martin Space facility in: Littleton CO, and be expected to work in the office as needed and as appropriate. Space is a critical domain, connecting our technologies, our security, and our humanity. While others view spac

Software Engineer III, Electrical Ground Support Equipment (EGSE)Job Title - Software Engineer III, Electrical Ground Support Equipment (EGSE)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Mechanical Systems Engineer (Level 3)Job Title - Mechanical Systems Engineer (Level 3)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space OVERVIEW: As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees

Lead System Security EngineerJob Title - Lead System Security Engineer

Parsons Services CompanyCompany Name - Parsons Services Company

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Boulder, Colorado, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Lead System Security Engineer to join o

Cybersecurity ArchitectJob Title - Cybersecurity Architect

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Cybersecurity Architect LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for an innovative and strategic Cybersecurity Architect to lead the design and implementation of our organization's security infrastructure. In this role, you will develop comprehensive security architectures, guide technical teams, and ensure our systems are resilient against evolving cyber threats. The ideal candidate is a forward-

Systems Engineer, Senior - Requirements and VerificationJob Title - Systems Engineer, Senior - Requirements and Verification

Lockheed MartinCompany Name - Lockheed Martin

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Greenwood Village, Colorado, USA

Full-time

Job ID: 697799BR Date posted: Jul. 15, 2025 Description:Protecting what matters most is the mission that matters most. Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, r

Principal Systems EngineerJob Title - Principal Systems Engineer

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Systems Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ves

Model-Based Systems Engineer StaffJob Title - Model-Based Systems Engineer Staff

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. Fleet Ballistic Missiles (FBM) is one of Lockheed Martin's outstanding Lines of Businesses that prioritizes partnership, integrity, and reliability. The Life Extension 2 team is an organization within the greater FBM program which supports the development of the Next Generation System by developing concepts, researching, and maturing technologies to support the development of the next FBM Missile Syste

IT Security SpecialistJob Title - IT Security Specialist

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

IT Security Specialist LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and dedicated IT Security Specialist to join our team and safeguard our organization's digital assets. In this role, you will be responsible for identifying and mitigating security risks, implementing best practices, and ensuring the integrity and confidentiality of sensitive information. The ideal candidate will

Sr. Software Engineer-Automated Test Framework TS/SCI PolyJob Title - Sr. Software Engineer-Automated Test Framework TS/SCI Poly

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% c

Associate Cybersecurity Engineer - Applied CryptographyJob Title - Associate Cybersecurity Engineer - Applied Cryptography

Visa Inc.Company Name - Visa Inc.

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Highlands Ranch, Colorado, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Software Engineer - ENG05 - Cleared On-SiteJob Title - Software Engineer - ENG05 - Cleared On-Site

Computer Merchant, Ltd., TheCompany Name - Computer Merchant, Ltd., The

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Aurora, Colorado, USA

Full-time

JOB TITLE: SOFTWARE ENGINEER RATE RANGE: 92.00-102.00 PER HOUR LOCATION: BUCKLEY AFB AURORA, CO JOB#: 14879680 REQUIRED SKILLS: Active and transferrable TS/SCI with polygraph U.S. government issued clearance is required prior to start date Qualifications You Must Have Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience Experience with coding software in Java, or C++ Experience in software deve

Battery Systems Engineer III, Secret ClearanceJob Title - Battery Systems Engineer III, Secret Clearance

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description Join Our Team as a Battery Systems Engineer where you will work on a team supporting the US Navy's Fleet Ballistic Missile (FBM) D5LE2 Avionics Engineering. This position does not support teleworking; the preferred candidate will be located near our Lockheed Martin Space facility one of the Coolest places to work: Littleton CO Space is a critical domain, connecting our technologies, our security, and our humanity. While others view space as a destination, we see it as a realm

Systems Engineer - Requirements and Verification Sr.Job Title - Systems Engineer - Requirements and Verification Sr.

Lockheed MartinCompany Name - Lockheed Martin

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Greenwood Village, Colorado, USA

Full-time

Job ID: 694936BR Date posted: Jun. 03, 2025 Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achi

Cybersecurity EngineerJob Title - Cybersecurity Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Cybersecurity Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Cybersecurity Engineer to join our team and play a pivotal role in protecting our organization's critical systems and data. This position offers the opportunity to design, implement, and maintain robust security measures while collaborating with a talented team to address evolving cyber threats. The ideal cand

Information Systems Security Officer (ISSO)Job Title - Information Systems Security Officer (ISSO)

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Information Systems Security Officer (ISSO) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a detail-oriented and proactive Information Systems Security Officer (ISSO) to support and maintain the security of our information systems. In this role, you will be responsible for ensuring systems operate in compliance with established security policies, procedures, and regulations. You will work closely with t

Application Security EngineerJob Title - Application Security Engineer

Pax8Company Name - Pax8

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Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,

Network Security AnalystJob Title - Network Security Analyst

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Network Security Analyst LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a detail-oriented and proactive Network Security Analyst to join our cybersecurity team. In this role, you will monitor, analyze, and protect the organization's network infrastructure against potential threats and vulnerabilities. You will be responsible for identifying security risks, responding to incidents, and implementing m