Network Security Engineer jobs in United States, Colorado, Denver

You will work with the world’s largest computing infrastructure. Your work involves some periods' independence from your team. You will learn the daily operations of a large data center. You will be working and troubleshooting hands on with servers and network equipment.You will interact with other teams like logistics, networking, security, and etc in order to get the job done. There is never a dull moment as each day presents itself with different challenges. Work with multiple teams (DC operations, DC Engineering, Logistics, Security and Projects etc.)Some of the key responsibilities you will undertake are:
- Perform diagnostics and troubleshoot all hardware and related problems
- Perform basic level OS troubleshooting
- Perform basic level configuration troubleshooting
- Perform replacement of our parts of and devices
- Perform storage media (HDD, SSD etc.) sanitization and destruction tasks
- Maintain a high level of system reliability by prioritizing resolution of trouble tickets efficiently
- Follow DC operations, Logistics, Security and Safety related processes and guidelines
About the team
Diverse Experiences
AWS values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.Mentorship & Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.Work/Life Balance

Application deadline: Dec 30, 2025At AWS, we are hiring a Communications Security (COMSEC) Custodian/Officer to help manage and continue to develop the COMSEC Program. This will entail managing/dealing with multiple mission partners and COMSEC accounts found around the United States. It will also require continuous engagement with mission partners and vendors as we continue to scale the program to meet customer needs and requirements.This position requires that the candidate selected be a US Citizen and must currently possess and maintain an active TS/SCI security clearance with polygraph.Key job responsibilities
- Establish and maintain all COMSEC accounts regionally, to include on-site troubleshooting, network deployment, regular keying and inventorying of devices, and administrative tasks associated with account compliance.- Appoint and train partner teams to support ad-hoc requirements.- Update AWS policy doctrine to ensure compliance with overarching customer requirements.- Vigorously audit individuals accounts.
- Reviewing proposed new programs requiring COMSEC to ensure the security of the program.
- Serve as a COMSEC subject matter experts on Government inter-agency working groups, committees, and task forces.- Provide support and oversight over multiple COMSEC accounts and subaccounts across multiple sites.
- Develop and update operating procedures based on site, equipment and mission partners.
- Develop and update Emergency Action Plans (EAP) based on site, equipment and mission partners.
- Conduct semi-annual COMSEC training and EAP training per site for all AWS custodians.
- Perform all necessary backups, system upgrades, reconciliations, and inventories of COMSEC material.
- Support the semi-annual COMSEC training of all COMSEC custodians.
- Support the semi-annual EAP training of all COMSEC custodians.
- Maintain all COMSEC account and subaccount file plans as instructed per mission partner.
- Use and maintain common fill devices (KIK, SKL, SDS).
- Prepare and ship COMSEC material as instructed by mission partner policies as needed

- 5+ years of project management disciplines including scope, schedule, budget, quality, along with risk and critical path management experience
- 2+ years COMSEC experience as a Primary or Alternate COMSEC Custodian.
- Experience with various Type 1 Cryptographic devices, keys and loaders
- Current, active US Government Security Clearance of TS/SCI with Polygraph

- Experience communicating across technical and non-technical audiences, including executive level stakeholders or clients
- Experience with AWS products and services
- Experience developing and interpreting policies, procedures, and strategies governing the planning and delivery and execution of COMSEC programs.
- Experience in making recommendations for resolving COMSEC problems and requirements for multiple mission partners that utilize Type-1 encryptors to secure their networks.
- Experience providing technical advice, guidance, and recommendations to high level management officials and technical staff on critical COMSEC security issues.
- Experience in developing SOPs for all types of COMSEC actions. (E.g. Annual Rekey, Encryptor Upgrades, STE Use)

Application deadline: Jan 14, 2026This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance with polygraph. The position further requires the candidate to opt into a commensurate clearance for each government agency for which they perform AWS work.Key job responsibilities
The ideal candidate will:- Think Big. The ideal candidate will work on projects building and deploying solutions across ADC partitions and regions. You will strive build a culture to improve and streamline processes to allow for work on a massive scale.A day in the life
As a Systems Development Engineer I you will:- Work cross functionally to foster a constructive dialogue, harmonize discordant views, and lead the resolution of contentious issues.- Think Big. The ideal candidate will build and deploy solutions across thousands of devices. You will strive to improve and streamline processes to allow for work on a massive scale.Utility Computing (UC)Work/Life Balance
Mentorship and Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.Diverse Experiences
Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

- Experience in automating, deploying, and supporting infrastructure
- Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust
- Experience with Linux/Unix
- Current, active US Government Security Clearance of TS/SCI with Polygraph

- Experience with CI/CD pipelines build processes

Application deadline: Dec 31, 2025In this role, you are able to take a defined set of tasks and execute it on schedule. You identify ineffective processes. You may identify when technical implementations have defects or are not highly available, performant, or maintainable. You understand operational risk and avoid taking unnecessary risks. You identify operational concerns and resolve, mitigate, or escalate the concerns in a timely manner.This is a shift work position. This team works 24/7 operations, and may require you to work some nights and/or weekends.This position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance with polygraph. The position further requires the candidate to opt into a commensurate clearance for each government agency for which they perform AWS work.About the team
AWS values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.Mentorship & Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

- High school or equivalent diploma, or A+ or CND (Certified Network Defender) or Network+ or Security+
- 1-3 years of experience with Systems Administration in Linux/Unix (Ubuntu, CentOS, RedHat, Solaris, etc.)
- 1-3 years of experience with Networking (TCP/IP, DNS)
- 1-3 years of experience with Troubleshooting / Support for technical IT issues
- Current, active US Government Security Clearance of TS/SCI with Polygraph

- Experience with internet fundamentals and cloud computing concepts
- Experience with AWS core services, Command Console, or command line interface
- Experience with compute, database and storage concepts
- Experience with Virtualization (VMware, Xen, Hypervisor)
- Experience with security concepts and best practices
- Experience with IPsec, VPN, Load Balancing, Iperf, MTR, Routing Protocols, SSH, Network Monitoring / Troubleshooting tools Experience managing full application stacks from the OS up through custom applications

Application deadline: Jan 12, 2026You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.Key job responsibilities
Network Strategy & Development- Drive AWS's LATAM backbone network infrastructure strategy and execution- Develop and execute strategic network expansion plans with regular milestone tracking
- Optimize network topology for maximum efficiency and cost-effectiveness
- Monitor and analyse telecommunications market trends, emerging technologies, and industry developmentsVendor & Partnership Management- Identify and evaluate strategic suppliers for wavelengths, dark fiber, and submarine cable capacity
- Lead technical vendor strategy across AWS's LATAM network topology
- Develop and maintain key commercial and technical partnerships within LATAM
- Manage supplier onboarding, performance metrics, and service quality standards
Financial & Project Management
- Manage risk assessment, escalations, and technical constraint resolution
- Balance business requirements with technical limitations and cost considerationsAbout the team
Diverse Experiences
AWS values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.Mentorship & Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.Work/Life Balance

- Experience working at a large network operator, OTT or Internet Service Provider.
- Demonstrated ability to anticipate customer requirements and build strategic plans.
- Experience interacting with senior executives and other management within your own company and externally; and working across commercial, technical, domestic, and international arms of an organization
- In-depth knowledge of the latest optical communications developments.
- Demonstrated ability to formulate data driven decisions that lead to results. Sound business judgment, proven ability to influence others, and strong analytical thinking skills are critical to success in this position.

Application deadline: Dec 30, 2025
You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.Key job responsibilities
· Serve as a key member of the NASA (North American/South American) Network Development team with a focus on the NA markets, helping to drive overall Network Infrastructure strategy.
· Work closely with service owners to understand product roadmaps and devise programs to meet capacity requirements.
· Develop network infrastructure plans for approval by internal customers and stakeholders.
· Identify vendors and develop commercial solutions that solve for wavelengths, dark fiber and other network infrastructure capacity.
· Negotiate key vendor contracts from a business and technical perspective in partnership with AWS legal teams.
· Track and maintain information on overall telecom market segment trends and developments in terms of vendor technologies, coverage, cost and deal structures
· Work closely with finance partners, collaborating on budget creation, business case development, deal analysis, and supplier invoicing.
· Participate in strategic network topology planning for our global backbone and metro networks.
· Work closely with network planning to ensure that acquisitions meet our topology requirements and budgets.
· Work closely with internal customers to understand product roadmaps and devise programs to meet capacity requirements.
· Anticipate bottlenecks, manage risk and escalations, and balance the business needs versus technical constraints.Diverse Experiences
Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.Work/Life BalanceMentorship and Career Growth
We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

- • Bachelor's Degree in Business, Finance, Economics, or equivalent combination of education and experience
- • 5+ years telecommunications industry experience:
- Procurement and negotiations of dark fiber and wavelengths
- Network planning or implementation at ISP, telecommunications operator, or CDN
- • Demonstrated ability to build complex financial models from scratch
- • Strong communication skills: Excellent verbal and written abilities
- - Proven track record working across internal/external organizations
- - Ability to prioritize competing demands while meeting customer deadlines
- • Willingness to travel

- Experience working at a large network operator, OTT or Internet Service Provider. · Quick and clear network strategy recognition in order to provide optimal results for the company. · Experience interacting with senior executives and other management within a company and working across commercial, technical, domestic, and international arms of an organization. · Experience working across Multiple International Markets in LATAM. · Ability to anticipate customer requirements and build strategic plans. · Demonstrated understanding of global fiber and IP networks. · Experience interacting with senior executives and other management within your own company and externally; and working across commercial, technical, domestic, and international arms of an organization · In-depth knowledge of and experience with major internet routing protocols; specifically BGP, OSPF, MPLS, RSVP and ISIS. · Ability to speak multiple languages. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.