Network Security Administrator Jobs in Denver, CO

41 - 60 of 330 Jobs

System Security Engineer IIIJob Title - System Security Engineer III

Sierra Nevada CorporationCompany Name - Sierra Nevada Corporation

•

Lone Tree, Colorado, USA

Full-time

Are you looking for an opportunity to deepen your IT skills in a meaningful work environment that supports and protects explorers and heroes? Join our team! As a 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 action

Information Systems Security Officer (ISSO) - MidJob Title - Information Systems Security Officer (ISSO) - Mid

CACI International, Inc.Company Name - CACI International, Inc.

•

Denver, Colorado, USA

Full-time

Information Systems Security Officer (ISSO) - Mid Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 6/2/2025 CACI is seeking an Information Systems Security Officer (ISSO) MID to join our Denver, CO team. The ISSO shall provide support to the designated Information System Security Manager (ISSM) to ensure customer systems mainta

System AdministratorJob Title - System Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

•

Aurora, Colorado, USA

Full-time

System Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and detail-oriented System Administrator to join our team and help maintain the stability, security, and performance of our IT infrastructure. In this role, you will be responsible for managing servers, networks, and other critical systems, ensuring that they run efficiently and securely. You will also handle system updates,

Network EngineerJob Title - Network Engineer

SESCompany Name - SES

•

Denver, Colorado, USA

Contract

Network Engineer Denver, CO The Network Engineer will be responsible for designs, implementing, and managing computer networks, ensuring efficient and secure data transmission. Will also be responsible for maintaining network infrastructure, troubleshooting issues, and implementing security measures to protect data and systems. This role involves a mix of technical expertise and problem-solving skills to keep networks running smoothly and effectively. Key Responsibilities: Design and Implementat

Placement Role - FDNY Security Engineer - Remote - NYJob Title - Placement Role - FDNY Security Engineer - Remote - NY

Infinity Tech Group IncCompany Name - Infinity Tech Group Inc

•

Remote

Third Party, Contract

Position: FDNY Security Engineer (Remote) Direct Client Location: Brooklyn, NY Contract: 12+ Months Job Description: SCOPE OF SERVICES TASKS: NG911 - FDNY Security Engineer Participate in the implementation of security controls in a Public Safety ESINET and NENA compliant NG911 system.Ensure the security controls are adequate for all Public Safety Answering points (PSAPs) in the commission of the 911 program at PSAP.Develop security configurations.Establish security best practices as well as re

Cloud Security ArchitectJob Title - Cloud Security Architect

ConsultNet, LLCCompany Name - ConsultNet, LLC

•

Remote

Full-time

Cloud Security Architect US Remote Position 6-month contract $80 - $90 per hour Job Summary: Cloud Security Architect We are seeking a highly qualified Cloud Security Architect to join our team. This role focuses exclusively on assessing and recommending security controls for cloud-based deployments. The ideal candidate will have a strong background in Azure services, SaaS security evaluations, network security, and containerization. This is a strategic and advisory position-it does not involve

Systems AdministratorJob Title - Systems Administrator

CACI International, Inc.Company Name - CACI International, Inc.

•

Denver, Colorado, USA

Full-time

Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local Anticipated Posting End: 6/23/2025 The Opportunity: CACI has an exciting and immediate opportunity for a Systems Administrator to support the Federal Protective Service (FPS) located at the Denver MegaCenter. More About the Role: Requires you to have a strong technical background a

System Security EngineerJob Title - System Security Engineer

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Overview GovCIO is hiring a System Security Engineer to maintain and monitor firewalls and other network defense technologies and detect abnormal behaviors for the Department of Veterans Affairs. The candidate will r econcile findings from system assessments, audits, and vulnerability scans. This position is fully remote within the United States . Responsibilities Apply NIST Risk Management Framework to strengthen federal agencies cybersecurity and compliance. Develop ment and submission of m

Security EngineerJob Title - Security Engineer

Ledgent TechnologyCompany Name - Ledgent Technology

•

Denver, Colorado, USA

Full-time

Position Overview: This role requires a proactive and adaptable cybersecurity professional who excels in communication and cross-functional collaboration. The ideal candidate will possess a deep understanding of modern security practices and technologies, combined with a service-focused attitude and the ability to work independently in a fast-paced setting. Key Responsibilities & Requirements: Effectively communicate complex technical information across various levels of the organization, incl

Security EngineerJob Title - Security Engineer

Appalachian Regional HealthcareCompany Name - Appalachian Regional Healthcare

•

Remote or Hazard, Kentucky, USA

Full-time

Overview To help safeguard the organization's computer network and systems by planning and carrying out industry standard security measures; Monitor and protect sensitive data and systems from infiltration and cyber-attacks by identifying security vulnerabilities. To analyze and execute proper security incident response protocols depending on the situation at hand. Special Instructions This is a full-time remote position with the Cybersecurity team. Responsibilities Monitors the organizatio

Security System EngineerJob Title - Security System Engineer

GovCIOCompany Name - GovCIO

•

Remote

Full-time

Sr. Infrastructure Security EngineerJob Title - Sr. Infrastructure Security Engineer

Ledgent TechnologyCompany Name - Ledgent Technology

•

Denver, Colorado, USA

Full-time

Location: Denver, CO Schedule: Hybrid (3 days onsite) Travel: up to 25% Compensation: $148,000 to $160,000 base salary + Bonus Must be eligible to work in the United States. Must pass comprehensive background screening. Must be willing to work flexible hours across time zones. Must be willing to participate in an on-call rotation to ensure 24/7/365 coverage. THE POSITION: The Sr Infrastructure Security Engineer is a key member of the team responsible for multiple aspects of IT cybersecur

Senior Blockchain Security Engineer, Offensive SecurityJob Title - Senior Blockchain Security Engineer, Offensive Security

CoinbaseCompany Name - Coinbase

•

Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the

Sr. Information Systems Security Officer (ISSO)-Onsite in Littleton,COJob Title - Sr. Information Systems Security Officer (ISSO)-Onsite in Littleton,CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. Do you want to be part of a culture that inspires employees to think big, perform with excellence and build incredible products? We provide the resources, inspiration and focus - if you have

System Security EngineerJob Title - System Security Engineer

DraperCompany Name - Draper

•

Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas

Google Cloud Platform Security EngineerJob Title - Google Cloud Platform Security Engineer

ADDSOURCECompany Name - ADDSOURCE

•

Third Party

Role: Google Cloud Platform Security Engineer (L5) Location: Remote (Canada) Duration: Long Term Job Overview: We are seeking an experienced Security Engineer to join our team and play a pivotal role in the modernization and migration of currency applications and data within the bank environment to Google Cloud Platform (Google Cloud Platform). The primary objective of this role is to ensure that the bank's security posture is robust and resilient throughout the entire cloud transformation pro

Sr Lead, Cyber Security - Risk and ControlsJob Title - Sr Lead, Cyber Security - Risk and Controls

Northern TrustCompany Name - Northern Trust

•

Remote or Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'

Senior Security Consultant Post-Quantum Cryptography (PQC) in Telco IndustryJob Title - Senior Security Consultant Post-Quantum Cryptography (PQC) in Telco Industry

InfoVision, Inc.Company Name - InfoVision, Inc.

•

Remote or Irving, Texas, USA

Third Party, Contract

What You'll Do Collaborate with cross-functional teams across Product Security, Infrastructure, Network, and R&D to define the PQC adoption roadmapConduct gap assessments and threat modeling for quantum-resilience across Telco systems (TV, Internet, Routers, Wearables, etc.)Define and help implement next-gen security architectures, including and beyond PKI transformation and crypto-agility, and PQCGuide product and engineering teams on secure design and integration of PQC algorithmsWork with an

Systems Manager IT CybersecurityJob Title - Systems Manager IT Cybersecurity

Commonspirit HealthCompany Name - Commonspirit Health

•

Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha

Information Systems Security Officer, Classified CybersecurityJob Title - Information Systems Security Officer, Classified Cybersecurity

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Louisville, Colorado, USA

Full-time

Job Description This position requires a TS/SCI and willingness to submit for a Polygraph. Classified Cyber Security ISSOs help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability and commercial use. The Cyber Security Specialist will partner with the security team, program, and gover