Senior Network Security Engineer Jobs in Denver, CO

41 - 60 of 339 Jobs

Senior Forescout Security EngineerJob Title - Senior Forescout Security Engineer

SAICCompany Name - SAIC

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Remote

Full-time

Job ID: 2507492 Location: REMOTE WORK, AL, US Date Posted: 2025-07-17 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Interim Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: Yes Description Senior Network Security Engineer SAIC currently has an opening for an 802.1x/Forescout/Comply to Connect (C2C) Engineer to support the US Army Corps of Engineers. This is a remote position. Job De

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - 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

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

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

Cymertek CorporationCompany Name - 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

Senior Architect Security (Checkpoint, Cisco ISE)Job Title - Senior Architect Security (Checkpoint, Cisco ISE)

Alpha SiliconCompany Name - Alpha Silicon

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Third Party, Contract

Title: Senior Architect Security (Checkpoint, Cisco ISE) Location: Remote Terms: Contract Job Description Job Summary: We are seeking a highly experienced and technically proficient Data Center Network & Security Engineer to lead the design, deployment, and management of complex network and security infrastructures. The ideal candidate will have deep expertise across a wide range of technologies including Cisco Nexus, Check Point, Cisco ISE, Palo Alto, Arista, HP Aruba, and Cisco SD-

Senior Cybersecurity Engineer - Security Partner US FederalJob Title - Senior Cybersecurity Engineer - Security Partner US Federal

Workday, Inc.Company Name - Workday, Inc.

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Boulder, Colorado, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h

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,

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

Cloud Network Security Architect with Strong Aviatrix Exp - RemoteJob Title - Cloud Network Security Architect with Strong Aviatrix Exp - Remote

Pioneer Corporate Services IncCompany Name - Pioneer Corporate Services Inc

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Remote

Third Party, Contract

Title: Cloud Network Security Architect with Strong Aviatrix Exp Location: Remote Exp: 15+ years Special Notes: MUST HAVE (Virtual Firewalls, PAN Flex, Aviatrix) -Direct experience deploying Aviatrix in large-scale production environments -Capable of supporting throughput of 10TB/sec or more -Experience with 1,000+ VPCs/VNETs in globally distributed AWS, Azure, or Google Cloud Platform environments Required Qualifications 10+ years of experience in cloud network engineering or security archite

Cloud Network Security Architect with AviatrixJob Title - Cloud Network Security Architect with Aviatrix

TranSquared incCompany Name - TranSquared inc

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Remote

Contract

Hi, Job Title: Cloud Network Security Architect Location: 100%Remote Duration: 12 Months+ Special Notes: MUST HAVE (Virtual Firewalls, PAN Flex, Aviatrix) Description We are seeking a highly skilled Cloud Network Security Consultant to lead the deployment and configuration of multiple virtual firewalls, while also supporting application separation between production and non-production environments. The ideal candidate will help design a scalable, cost-efficient, and highly available solution c

(USA) Principal, Systems and Infrastructure Engineer, Information SecurityJob Title - (USA) Principal, Systems and Infrastructure Engineer, Information Security

Walmart Inc.Company Name - Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal role in designing, building, and maintaining scalable and secure infrastructure. This is a unique opportunity to drive the migration and modernization of critical applications and systems, ensuring seamless transitions and minimal downtime. What you'll do About the Team: The Walmart/VIZIO Team is dedicated to levera

Cloud Network Security SMEJob Title - Cloud Network Security SME

NexGen Data Systems, Inc.Company Name - NexGen Data Systems, Inc.

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Remote

Full-time

NexGen Data Systems is seeking a highly skilled and experienced Cloud Network Security Subject Matter Expert (SME) to support our Cyber Security Engineering & Design team. In this critical role, you will be responsible for designing, implementing, and maintaining secure cloud network solutions, evaluating emerging technologies, and providing technical leadership across a multi-vendor enterprise environment. You will be a key contributor to our efforts in securing both cloud and on-premise infras

Professional Services Senior Consultant -- Enterprise Network and SecurityJob Title - Professional Services Senior Consultant -- Enterprise Network and Security

CompucomCompany Name - Compucom

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Remote or CA

Full-time

Job Summary The Network and Security Senior Consultant provides support on projects to solution and delivery customer value. The ideal candidate has a broad base of knowledge and experience across multiple industries, products, and services. Reporting to the Director of Professional Services, the Senior Consultant should be a Cisco Certified Internetwork Expert (CCIE) or Cisco Certified Network Professional (CCNP) with experience on Cisco network and security products with strong design and impl

Application Security EngineerJob Title - Application Security Engineer

Vaco by HighspringCompany Name - Vaco by Highspring

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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

Red Team Security Test EngineerJob Title - Red Team Security Test Engineer

Request Technology, LLCCompany Name - 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

Senior Info Security Engineer 3rd Shift - National RemoteJob Title - Senior Info Security Engineer 3rd Shift - National Remote

UnitedHealth GroupCompany Name - UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op

Network & Data Security Product ArchitectJob Title - Network & Data Security Product Architect

Avance ConsultingCompany Name - Avance Consulting

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Remote

Full-time

Job DescriptionMandatory skills Zscaler and Rubrik (Zscaler ZIA, ZPA, As a partner technology architect, you will work closely with partner directors of specific products, sales and delivery teams, to design, develop and build custom solutions for our customers. You will need to have in-depth technical skills of Zscaler and Rubrik (Zscaler ZIA, ZPA, Advance DLP, SSE Rubrik Data Protection, DSPM, Data Threat Analytics, Cyber Recovery) and should be able to orchestrate and build the solution based

Senior Cloud Support Engineer - SecurityJob Title - Senior Cloud Support Engineer - Security

Snowflake Inc.Company Name - Snowflake Inc.

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Remote or Dublin, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Snowflake Support is committed to providing high-quality resolutions to help deliver data-driven business insights and results. We are a team of subject matter experts collectively working toward our customers' success. We form partnerships with customers by listening, learning, and building connections. Snowflake's values are key to our approach and success in delivering world-class Support. Putting customers first, acting with integrity, owning i

Senior Cyber Security Engineer - Network SecurityJob Title - Senior Cyber Security Engineer - Network Security

Sanford HealthCompany Name - Sanford Health

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Remote or Sioux Falls, South Dakota, USA

Full-time

Sanford Health is one of the largest and fastest-growing not-for-profit health systems in the United States. We're proud to offer many development and advancement opportunities to our nearly 50,000 members of the Sanford Family who are dedicated to the work of health and healing across our broad footprint. Work Shift: 8 Hours - Day Shifts (United States of America) Scheduled Weekly Hours: 40 Salary Range: $37.50 - $62.00Pay starts at $37.50 and increases according to years of applicable exper

Hybrid Network Administrator & Information Security AnalystJob Title - Hybrid Network Administrator & Information Security Analyst

General DynamicsCompany Name - General Dynamics

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Remote or Hayward, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Network Administration Job Qualifications: Skills: DISA STIG, Network Infrastructures, Splunk Enterprise Security Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Please take this opportunity to join one of GDIT's fastest long-standing growing programs! U