Lead Security Engineer Jobs in Denver, CO

21 - 40 of 330 Jobs

Security EngineerJob Title - Security Engineer

Oxford Global ResourcesCompany Name - Oxford Global Resources

•

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

Information Security EngineerJob Title - Information Security Engineer

Protingent, Inc.Company Name - Protingent, Inc.

•

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

Firewall Security Engineer - Remote / TelecommuteJob Title - Firewall Security Engineer - Remote / Telecommute

Cynet SystemsCompany Name - Cynet Systems

•

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

Network Security Engineer - Remote / TelecommuteJob Title - Network Security Engineer - Remote / Telecommute

Cynet SystemsCompany Name - Cynet Systems

•

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

IT Security Engineer - With (Genetec) ExperianceJob Title - IT Security Engineer - With (Genetec) Experiance

Pull Skill TechnologiesCompany Name - Pull Skill Technologies

•

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

Pre-Sales Information Security Solutions ArchitectJob Title - Pre-Sales Information Security Solutions Architect

Request Technology, LLCCompany Name - Request Technology, LLC

•

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

Snowflake Security / EngineerJob Title - Snowflake Security / Engineer

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

•

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

DevOps Security EngineerJob Title - DevOps Security Engineer

Serenity Info Tech, Inc.Company Name - Serenity Info Tech, Inc.

•

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,

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

Network Security EngineerJob Title - Network Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Cymertek CorporationCompany Name - Cymertek Corporation

•

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

Information System Security EngineerJob Title - Information System Security Engineer

Cymertek CorporationCompany Name - 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

Senior Security EngineerJob Title - Senior Security Engineer

Citizens BankCompany Name - Citizens Bank

•

Remote or Johnstown, Pennsylvania, USA

Full-time

Job Description This role is an Insider Threat Program Analyst working in the Data Protection and Security Program. The Program Analyst is responsible for supporting, developing, and enhancing the insider threat program. The colleague will engage with Business Units across the organization, produce metrics and documentation, and implement tools and analytic methods to mitigate insider risks. A successful candidate will: Assess existing Insider Threat capabilities, identify gaps, and develop te

Platform Security EngineerJob Title - Platform Security Engineer

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

•

Remote or Plano, Texas, USA

Contract

Company Overview: Req ID: 330434 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Platform Security Engineer to join our team in Remote, Texas (US-TX), United States (US).Who We Are: At NTT DATA America's, we are committed to hiring innovative and passionate individuals eager to contribute and grow with us.How You'll Hel

IT Security Engineer - LeadJob Title - IT Security Engineer - Lead

Navigant ConsultingCompany Name - Navigant Consulting

•

Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult

Application Security EngineerJob Title - Application Security Engineer

Vaco by HighspringCompany Name - Vaco by Highspring

•

Remote

Full-time

Application Security Engineer Remote (U.S.-based)Vaco is partnering with a high-growth SaaS company focused on modernizing the customer payments experience across industries. Their platform is built for scale, powering secure, API-driven payment flows that touch millions of users monthly. Following a recent funding round and continued growth, theyre looking to backfill a key AppSec position supporting secure code delivery across a fast-moving engineering org. This role is remote and reports dir

Lead Information Security OfficerJob Title - Lead Information Security Officer

CitiCompany Name - Citi

•

Remote or Jacksonville, Florida, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

Cyber Lead / System Security Officer (SSO)Job Title - Cyber Lead / System Security Officer (SSO)

General DynamicsCompany Name - General Dynamics

•

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: Confidential Public Trust/Other Required: SSBI (T5) Job Family: Information Security Job Qualifications: Skills: Information Technology Security, Security Policies, Vulnerability Management Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Qualifications: The ideal candidate will have at least seven (7) years of IT knowledge

Senior Security Engineer (Incident Response & Automations)Job Title - Senior Security Engineer (Incident Response & Automations)

HeadwayCompany Name - Headway

•

Remote or New York, New York, USA

Full-time

Headway's mission is a big one - to build a new mental health care system everyone can access. We've built technology that helps people find great therapists with the first software-enabled national network of providers accepting insurance. 1 in 4 people in the US have a treatable mental health condition, but the majority of providers don't accept insurance, making therapy too expensive for most people. Headway is building a new mental healthcare system that everyone can access by making it easy

Senior Security EngineerJob Title - Senior Security Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

•

Remote

Full-time

Senior Security Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Product security or endpoint-focused consulting, with hands-on testing of Windows-based agents or EDR/AV productsExperience building fuzzers or integrating existing fuzzing frameworks for native codeExperience and capability in building automated test harnesses from the ground upStrong Windows OS internals knowledge, especially user-mode hooking and W