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Sr Infrastructure Engineer Jobs in Seattle, WA (NOW HIRING)

3MD Inc.

Senior Infrastructure Engineer

Redmond, WA · On-site

$121K - $165K/yr

The Senior Infrastructure Engineer is Denali Advanced Integration's hands-on technical authority for enterprise infrastructure. This role owns the full lifecycle of the infrastructure environment ...

Denali Advanced Integration

Be Seen First

Senior Infrastructure Engineer

Redmond, WA · On-site

$120K - $135K/yr

The Senior Infrastructure Engineer is Denali Advanced Integration's hands-on technical authority for enterprise infrastructure. This role owns the full lifecycle of the infrastructure environment ...

Aurelian

Senior Infrastructure Engineer

Seattle, WA · On-site

$160K - $220K/yr

We're hiring a Senior Infrastructure Engineer to help build out the Aurelian platform that powers our realtime AI agents. Your customers are other engineers on the team; you'll create the systems ...

Symetra

Sr. Infrastructure Engineer I

Bellevue, WA · On-site

$106K - $177K/yr

About the role As a Sr. Infrastructure Engineer I , you will play a critical role in the Mainframe Pod of Symetra's Infrastructure & Operations team. This position requires a solid focus on Mainframe ...

Docker

Senior Software Engineer, Infrastructure

Seattle, WA · On-site

$123K - $167K/yr

... infrastructure that make autonomous workflows trustworthy by default. Docker is shipping a wave of ... We're looking for a senior engineer who can own significant parts of this platform end to end ...

Ai2

Senior Software Engineer, AI Infrastructure

Seattle, WA · On-site

$123K - $167K/yr

The Senior Software Engineer, AI Infrastructure will be responsible for designing and delivering critical systems that support the training of AI models, ensuring efficient scheduling and execution ...

TunesMap

Senior Infrastructure Architect

Seattle, WA · Hybrid

$165K - $206K/yr

The Senior Infrastructure Architect plays a central role in shaping how that foundation evolves ... Partner with Network Engineering to ensure network designs align with infrastructure standards, and ...

Sonos Inc

Senior Infrastructure Architect

Seattle, WA · On-site

$165K - $206K/yr

The Senior Infrastructure Architect plays a central role in shaping how that foundation evolves ... Partner with Network Engineering to ensure network designs align with infrastructure standards, and ...

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All JobsSr Infrastructure Engineer JobsSr Infrastructure Engineer Jobs in Seattle, WA

Sr Infrastructure Engineer information

See Seattle, WA salary details

$25.6K

$144.5K

$199.7K

How much do sr infrastructure engineer jobs pay per year?

As of Aug 31, 2026, the average yearly pay for sr infrastructure engineer in Seattle, WA is $144,492.00, according to ZipRecruiter salary data. Most workers in this role earn between $123,500.00 and $167,900.00 per year, depending on experience, location, and employer.

What is a Sr Infrastructure engineer?

Sr Infrastructure Engineers are experienced IT professionals responsible for designing, implementing, and maintaining an organization's core technology infrastructure. This includes servers, networks, storage systems, and cloud platforms. They ensure systems are reliable, secure, and scalable to meet business needs, often leading projects and mentoring junior staff. Their expertise helps businesses maintain high uptime and prepare for future growth.

What are the key skills and qualifications needed to thrive as a Sr Infrastructure engineer?

To thrive as a Sr Infrastructure Engineer, you need deep expertise in systems administration, networking, and cloud infrastructure, typically supported by a degree in computer science or a related field. Familiarity with tools such as VMware, AWS, Azure, automation frameworks (like Ansible or Terraform), and certifications like AWS Certified Solutions Architect or Microsoft Certified: Azure Administrator are highly valued. Strong problem-solving, project management, and collaboration skills set top performers apart in this role. These competencies are essential for designing, maintaining, and optimizing robust IT environments that support critical business operations.

What are some common challenges faced by a Sr Infrastructure engineer, and how can they be addressed?

Sr Infrastructure Engineers often encounter challenges such as managing complex legacy systems, ensuring high availability, and implementing new technologies without disrupting existing services. To address these, they rely on thorough documentation, proactive monitoring, and strong collaboration with cross-functional teams like cybersecurity and development. Staying current with industry best practices and automating repetitive tasks can also help manage workload and reduce errors, making the role both dynamic and rewarding.

What is the difference between Sr Infrastructure Engineer vs Network Engineer?

AspectSr Infrastructure EngineerNetwork Engineer
Required CredentialsBachelor's in CS or related, certifications like Cisco CCNA, CompTIA Network+Bachelor's in CS, EE, or related, certifications like Cisco CCNA, CCNP
Work EnvironmentData centers, cloud environments, enterprise ITNetwork operations centers, enterprise networks, data centers
Employer & Industry UsageTech companies, large enterprises, cloud providersTelecom, ISPs, large enterprises
Common Search & ComparisonYesYes

The main difference between a Sr Infrastructure Engineer and a Network Engineer lies in scope. The Sr Infrastructure Engineer manages a broad range of IT infrastructure, including servers, cloud systems, and storage, while a Network Engineer specializes specifically in designing, implementing, and maintaining network systems. Both roles require similar certifications and work in enterprise or data center environments, but their focus areas differ significantly.

What are popular job titles related to Sr Infrastructure Engineer jobs in Seattle, WA?

For Sr Infrastructure Engineer jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Sr Infrastructure Engineer jobs in Seattle, WA look for?

The top searched job categories for Sr Infrastructure Engineer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Sr Infrastructure Engineer jobs?

Cities near Seattle, WA with the most Sr Infrastructure Engineer job openings:

Sr Infrastructure Engineer jobs near you
Infographic showing various Sr Infrastructure Engineer job openings in Seattle, WA as of August 2026, with employment types broken down into 91% Full Time, 5% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $144,492 per year, or $69.5 per hour.

Senior Infrastructure Engineer

Redmond, WA • On-site

3MD Inc.
See more jobs at 3MD Inc.external

$121K - $165K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago

Job description

Benefits

U.S.-based employees have access to medical, dental, and vision insurance, a 401(k) plan and company contribution, short-term and long-term disability coverage, basic life insurance, and wellbeing benefits, among others. U.S.-based employees also receive, per calendar year, up to 6 scheduled paid holidays. Additionally, eligible hourly/non-exempt and exempt employees accrue up to 112 hours of PTO based on years of service and may annually take up to 8 hours of paid volunteer time. Additional paid sick leave is also provided if required by state or local law. 
 
Summary of Position:

The Senior Infrastructure Engineer is Denali Advanced Integration's hands-on technical authority for enterprise infrastructure. This role owns the full lifecycle of the infrastructure environment including VMware virtualization, Cisco UCS compute, Dell EMC storage, and Cohesity backup systems across the primary datacenter and secondary sites. Beyond day-to-day operations, this person is expected to assess the current state of the environment, identify gaps and risks, recommend modernization and improvement strategies, and lead execution of those initiatives. The Senior Infrastructure Engineer sets the technical standard for infrastructure practices at Denali, guides peers and crossfunctional teams, and serves as the primary point of contact for infrastructure vendors. 

Essential Functions:

  • Assess, evaluate, and document the current state of all infrastructure systems including VMware, Cisco UCS, Dell EMC, Cohesity, and supporting network equipment 
  • Identify gaps, risks, and opportunities for improvement across the infrastructure environment and provide actionable recommendations to leadership 
  • Lead infrastructure projects from scoping through execution including hardware deployments, environment upgrades, migrations, and testing
  • Serve as the technical lead and subject matter expert for all infrastructure-related decisions, guiding internal teams and informing cross-functional initiatives 
  • Manage, monitor, and maintain VMware, Cisco UCS, and Dell EMC infrastructure at the primary datacenter and all secondary sites 
  • Administer and optimize the Cohesity backup infrastructure to ensure backups operate reliably, efficiently, and at capacity 
  • Monitor ServiceNow and respond to infrastructure Alerts, Incidents, and Service Requests in alignment with defined SLAs and SOC Standards 
  • Ensure all LogicMonitor Alerts for Cohesity backups are resolved per policy and compliance requirements 
  • Ensure VMware, UCS, and Dell EMC environments are patched for critical vulnerabilities in accordance with security policy 
  • Manage vendor relationships with Dell, Broadcom/VMware, Cohesity, Cisco, and others — including support escalations, renewals, and roadmap alignment 
  • Plan and execute Disaster Recovery (DR) testing in alignment with business continuity requirements 
  • Establish and maintain infrastructure standards, runbooks, architecture diagrams, and configuration documentation
  • Collaborate with the security and compliance team to ensure infrastructure meets SOC audit requirements 
  • Participate in on-call rotation and be available 24/7 for infrastructure-related outages and critical escalations 
  • Drive capacity planning and lifecycle management recommendations to keep the environment current and scalable

Competencies:

  1. Ensures Accountability
  2. Tech Savvy
  3. Communicates Effectively
  4. Values Differences
  5. Customer Focus
  6. Resourcefulness
  7. Drives Results
  8. Plans and Prioritizes
  9. Decision Quality
  10. Self-Development

Work Environment:

This position is based in a professional office setting and regularly utilizes workplace technology, including computers, smartphones, multifunction printers, cloud-based filing systems, and collaboration tools.

Physical Demands:

This role requires physical capabilities that support the successful execution of key responsibilities. The employee regularly engages in verbal and written communication with colleagues and clients to address project-related inquiries and must convey accurate information clearly and efficiently. The position involves remaining seated at a workstation for approximately 75% of the time, with occasional movement throughout the office to access equipment, supplies, and shared resources. Daily tasks include consistent use of computers and standard office technology such as keyboards, printers, and multifunction devices. The role also involves transporting equipment boxes weighing up to 25 pounds within the building and to other off-site locations as needed for project support.

Required Education and Experience: 

Bachelor's Degree in Information Technology, Computer Science, or related field — or equivalent work experience

5+ Years of Experience in enterprise infrastructure engineering

Qualifications:

  • 5+ years of hands-on experience managing VMware virtualization environments including vSphere, vCenter, and Dell EMC storage • 3-5 years of experience administering and maintaining a backup platform, preferably Cohesity • Demonstrated ability to assess infrastructure environments, identify improvement opportunities, and lead execution of recommendations • Experience serving as a technical lead or subject matter expert, guiding peers and influencing cross-functional decisions • Proven experience managing infrastructure Incidents and Service Requests via ITSM platforms such as ServiceNow • Experience with Cisco UCS compute infrastructure and LogicMonitor alerting • Experience managing vendor relationships including support escalations and contract renewals • Familiarity with network fundamentals including LAN/WAN, VLANs, and routing/switching in a multi-site environment April 9, 2026 3 • Working knowledge of information security practices including vulnerability management and patch compliance • Experience with disaster recovery planning, DR testing, and business continuity procedures • Strong verbal and written communication skills with the ability to present technical findings and recommendations clearly to both technical and non-technical audiences • Ability to work independently, manage competing priorities, and operate effectively in a 24/7 on-call environment • Comfort operating in an AI-forward organization and interest in evolving infrastructure practices to support automation and AI-driven tooling 

AAP/EEO Statement:

3MD Inc. is an equal opportunity employer and does not discriminate based on gender, sex, age, race and color, religion, marital status, national origin, disability, sexual orientation, gender identity or expression, veteran status or any other category that is protected by applicable law.

Other Duties:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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