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Microsoft Digital (MSD) builds and manages the critical products and services that Microsoft runs on. We boldly pursue big ideas that power transformational advances at Microsoft and for our customers, while helping Microsoft teams work smarter, faster, and more securely every day. Microsoft Digital employees have deep technical and business expertise, customer insights, and a clear point of view that comes from first-hand, large-scale experience with Microsoft and industry solutions. We are engineers, technology leaders and experts, digital transformation change agents, and customer advocates. We are looking for a Senior Cloud Network Engineer to join us!

The Microsoft Infrastructure Engineering Services (IES) organization is for those technology professionals who want to be strategic partners to the business and be the first place to create innovative solutions using Microsoft and industry leading products and services. Unlike other enterprise organizations, IES employees create global impact for thousands of partners and employees.

People working within Microsoft Infrastructure Engineering Service (IES) ensure Microsoft is maximizing productivity to its fullest, and therefore, helping lead the company’s digital transformation journey. We build flexible, reliable, enterprise-scalable solutions with Microsoft product teams – influencing products that customers use, enabling them to be more productive.

This position is located at the Redmond campus, with 3 days per week work in the office and 2 days per week work from home. Relocation assistance is available.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

As a Senior Cloud Network Engineer, you will be at the heart of Microsoft’s modern network engineering process, working in a team that manages Microsoft’s enterprise fiber optical network infrastructure. We are focused on solving the most interesting challenges of developing innovative solutions while ensuring service reliability through identifying and eradicating defects within the infrastructure. We are growing a strong, diverse team of engineers and have exciting opportunities for you to innovate, influence, transform, inspire, and grow within our organization and we encourage you to apply to learn more.

Primary Responsibilities:

Network Design and Implementation

+ You will apply Knowledge of cabling infrastructure, Industry Trends, and Field Data towards implementation and operations.

+ Conduct site surveys and feasibility studies to determine optimal cable routes, circuit designs and network layouts.

+ Analyze client requirements and translate them into technical specifications and network blueprints.

+ Use Visio software and network modeling tools to create detailed network and circuit designs, including cable pathways, splice or connection points, and hardware locations.

+ Assess existing infrastructure for compatibility and integration with new fiber optic systems.

+ Develop Bill of Materials (BOM) and cost estimates for proposed solutions.

Maintain and Operate Networks

+ **​** You will monitor, analyze, and troubleshoot network cabling infrastructure; participate in on-call/Designated Responsible Individual (DRI) duties and create root cause analysis for network incidents.

+ You will apply Continuous Improvement, testing and validation of network and optical devices.

+ Oversee or perform the installation of fiber optic cables (jumper cables, aerial, underground, and indoor), ensuring compliance with manufacturer specifications and industry standards.

+ Install fiber distribution panels, patch panels, and other related hardware.

+ Perform single or ribbon fusion splicing of fiber optic cable when required.

+ Implement network protection techniques including slack loops, armored cabling, and secure enclosures.

+ Perform optical time-domain reflectometer (OTDR) testing, light source and power meter tests, and visual fault inspections to verify cable integrity and performance.

+ Analyze and interpret test results, identifying any faults, losses, or performance issues.

+ Identify, isolate, and resolve faults in fiber optic cables, connectors, splices, and active/passive components.

+ Maintain accurate maintenance logs, repair histories, and inventory records.

+ Coordinate with service line owners to contract third-party vendors and team members for complex repairs and upgrades.

+ Conduct audits of fiber infrastructure including cables, live circuits, and cable rooms.

+ Deployment Management - You will work within a team of engineers to manage network deployments.

+ You will troubleshoot enterprise grade layer 1 networks.

Supporting People and Execution

+ Collaboration - You will collaborate within and across teams by proactively sharing information with an appropriate level of detail for their audience; overcome obstacles by resolving conflicts and issues across interdependent teams and engage with partners and stakeholders so issues can be resolved, and mutual objectives are met.

+ Mentorship / Development - You will mentor and provide feedback to other engineers, while also proactively seeking mentorship and feedback from others; share ideas and insights for improving team-oriented behaviors, including DevOps and live site handling skills.

+ Participate in weekly Sprint planning meetings to review completed, on-going, and upcoming work tasks.

Qualifications

Required Qualification(s):

+ Master's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 1+ year(s) technical experience in network design, development, and automation

+ OR Bachelor's Degree in Electrical Engineering, Optical Engineering, Computer Science, Information Technology, or related field AND 2+ years technical experience in network design, development, and automation

+ OR equivalent experience.

+ Experience in fiber optic network design, installation, and maintenance

+ Proficiency with relevant design software and testing equipment

+ Ability to interpret fiber plant documentation and schematics

+ Familiarity with fusion splicing techniques to accomplish spicing of fiber optic cables

+ Implementation of network protection techniques

+ Familiarity with OTDR, light source and power meter testing to verify cable integrity and performance

+ Experience with design and capacity planning

+ Professional certification in fiber optics (e.g., CFOT, FOA, BICSI)

Additional Qualifications:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings:

+ Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Preferred Qualification(s):

+ BICSI RCDD certification preferred but not required

+ Knowledge of network security principles and best practices

+ Experience with building automation and tools to drive efficiency in systems operations and processes

Cloud Network Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

Microsoft will accept applications for the role until October 16, 2025.

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Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations (https://careers.microsoft.com/v2/global/en/accessibility.html) .