Principal Security Engineer Jobs in Denver, CO

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Application Security Engineer

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,
Posted 40 days ago | Updated 3 hours ago

Senior Full Stack Engineer, Security Products

DigitalOcean

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Denver, Colorado, USA

Full-time

Dive in and do the best work of your career at DigitalOcean. Journey alongside a strong community of top talent who are relentless in their drive to build the simplest scalable cloud. If you have a growth mindset, naturally like to think big and bold, and are energized by the fast-paced environment of a true industry disruptor, you'll find your place here. We value winning together-while learning, having fun, and making a profound difference for the dreamers and builders in the world. We are see
Posted 21 days ago | Updated 7 hours ago

Senior System Security Engineer

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 seeking a talented Senior Cyber Security Engineer to join our growing tea
Posted 10 days ago | Updated 6 hours ago

Software Security Engineer - Large Scale Kubernetes & Infrastructure-6+ Months Contract - Remote.

Mindsource Inc

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Remote or San Francisco, California, USA

Contract

Job Title: Sr. Security Engineer Duration: 6 Months (Contract) Location: RemoteMust-Have Skills: SOAR (Security Orchestration, Automation, and Response) SIEM (Security Information and Event Management) Python AWS Kubernetes (Nice to have)Job Summary: We are seeking an experienced Sr. Security Engineer to join our Security Operations Center (SOC) team. You will play a critical role in monitoring, analyzing, and responding to security incidents, while also helping streamline SOC operations through
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Posted 3 days ago | Updated 1 hour ago

Sr. Systems Security Engineer

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
Posted 60+ days ago | Updated 7 hours ago

Principal Security Researcher

Request Technology, LLC

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Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools
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Posted 54 days ago | Updated 20 days ago

Red Team Security Test Engineer

Request Technology, LLC

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Remote or Chicago, Illinois, USA

Contract

We are unable to sponsor for this 6+ month contract role Prestigious Financial Company is currently seeking a Red Team Security Test Engineer. Candidate will help plan, design and execute security red team related activities (e.g., Intelligence Gathering, Network/Operating System/Application Penetration Testing, Web Application Penetration Testing, Mobile Application Testing, Social Engineering, Basic Emissions/Signals Testing, Physical Security Testing, Command and Control (C2) Infrastructure
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Posted 13 days ago

Security Engineer

Oxford Global Resources

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Remote

Contract

Security Engineer (Operational) Location: Remote (Eastern time zone hours) Duration: 6 months+ Job Description: Our client in retail needs a highly skilled and motivated Security Engineer with a strong operational background is needed to join their dynamic security team. This role is pivotal in safeguarding critical systems and data, ensuring the integrity, confidentiality, and availability of infrastructure and applications. The role requires hands-on experience with security tools and platform
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Posted 5 days ago

Firewall Security Engineer - Remote / Telecommute

Cynet Systems

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Remote

Contract

Job Description: Candidate must have experience in Azure cloud. Minimum experience required - 10 years. Expertise level on cloud knowledge should be 40% and Firewall knowledge should be 60%. Expertise on PALO ALTO Firewall. Expertise on load balancer (WAF). Responsibilities: Cloud network expertise: virtual networks, hybrid connectivity, firewalls, DNS, and network threat management. Cloud security along with the ability to support compliance with industry security standards. Research and archit
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Posted 2 days ago

Information Security Engineer

Protingent, Inc.

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Remote

Full-time

Position Title: Information Security Engineer Position Description: Protingent Staffing has an exciting direct hire opportunity for a Information Security Engineer with our client located in Great Neck, New York Job Description: We are seeking an Information Security Engineer working remotely from the Eastern Time Zone.This position provides leadership and in-depth expertise in all security aspects surrounding the implementation and operation of Information Technology solutions to improve the
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Posted 5 days ago

Network Security Engineer - Remote / Telecommute

Cynet Systems

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Remote or Cary, North Carolina, USA

Contract

Job Description: Client Configuration and troubleshooting of IPSEC site-to-site VPNs. Client Ability to read, understand and troubleshoot complex routing issues. Client Strong understanding of networking in a multi-data center environment. Client Works with minimal guidance; seeks guidance on only the most complex tasks. Client Communicate effectively with leadership, peers, project managers, clients, and stakeholders. Client Flexible work schedule with ability to make after-hours changes. Clie
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Posted 4 days ago | Updated 4 days ago

IT Security Engineer - With (Genetec) Experiance

Pull Skill Technologies

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Remote

Contract

Job Title: IT Security Engineer - Senior Start Date: 2025-07-23 Location: 2 are 100% remote and 1 onsite in Framingham, Massachusetts Duration: 6 to 12 Months Job Summary: We have an immediate opening for a technical engineer to join our Loss Prevention IT team, with key focus on Genetec applications. Using knowledge of industry best practices skills you will help to analyze, configure and deploy leading solutions to our rapidly growing Client global banners.The Loss Prevention IT Security Engin
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Posted 2 days ago

Pre-Sales Information Security Solutions Architect

Request Technology, LLC

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Remote or Denver, Colorado, USA

Full-time

This role requires up to 40% travel We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Pre-Sales Information Security Solutions Architect. Candidate will bring our cyber resilience solution to customers by advising, educating, and redefining the next generation of cybersecurity and recovery. This includes conducting ransomware readiness assessments and aligning customer expectations with
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Posted 16 days ago

Snowflake Security / Engineer

NTT DATA Americas, Inc

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Remote or Plano, Texas, USA

Contract

NTT DATA's Client is currently seeking a Snowflake Security / Engineer to join their team in Plano, Texas!Job Description: The Snowflake Security and Automation Admin will be responsible for ensuring the security, integrity, and efficient operation of our Snowflake data warehouse environment. This role involves implementing and managing security measures, automating workflows, and collaborating with various teams to optimize data processes. The ideal candidate will have a strong background in Sn
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Posted 24 days ago | Updated 1 hour ago

DevOps Security Engineer

Serenity Info Tech, Inc.

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Remote

Third Party, Contract

Title: DevOps Security Engineer Location: Remote Duration: 12 months Job Description: DevOps / Platform / Security Engineer with strong automation and scripting skillsBackend developers with deep PHP, JavaScript, and C# experience focused on secure legacy code remediationProven track record in securing and modernizing CI/CD pipelinesSkilled in cloud-native security and identity management, especially within AzurePrimary Skills GitHub Enterprise Cloud Deep experience managing repos, migrations,
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Posted 12 days ago | Updated 2 days ago

System Security Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

System Security 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 highly motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards
Posted 60+ days ago | Updated 6 hours ago

Network Security Engineer

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Network Security 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 Network Security Engineer to join our team and play a critical role in safeguarding our organization's digital infrastructure. In this position, you will design, implement, and maintain robust security measures to protect networks, systems, and data from cyber threats. You'll work closely with cross-functio
Posted 60+ days ago | Updated 6 hours ago

Information Systems Security Engineer (ISSE)

Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team and play a critical role in ensuring the security and resilience of our systems and infrastructure. In this role, you will be responsible for designing, implementing, and managing security measures to protect our informat
Posted 60+ days ago | Updated 6 hours ago

Information System Security Engineer

Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

Information System Security 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 proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to asse
Posted 60+ days ago | Updated 6 hours ago

Principal Security Researcher

Request Technology, LLC

•

Remote

Full-time

Principal, Security Researcher Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Strong capabilities in reverse-engineering Windows binaries and applications.Strong familiarity with Windows development practices, low level operating system concepts, and networking.Proficiency with development in scripting languages such as Python or Ruby.Proficiency with development in compiled languages such as C, C++ and/or Rust.Experience
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Posted 54 days ago | Updated 4 days ago