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Tik Tok

Senior Site Reliability Engineer, Network and Traffic

• USDS

3+ months ago• Seattle, WA
Viewed on February 1, 2026
Apply on company site

About Us

Tik Tok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

• Size: 5001-10000 employees
• Industry: Entertainment & Gaming, Social Media, Technology

View Company Profile:

Responsibilities:

The infrastructure team of US Tech Services Department at Tik Tok supports the company's fast growth by building and operating hyper-scale datacenters, managing the life cycle of server fleet, providing cloud solutions, and developing various infrastructure services and making sure they are scalable and are reliable.

Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed infrastructures. Our SREs are tasked to ensure the infrastructure services are reliable, fault-tolerant, efficiently scalable and cost-effective.

Responsibilities:

• Design, build, operate and optimize Tik Tok network, not limited to, backbone, public cloud and Edge/CDN.
• Design, manage, operate and contribute to the development of our Layer7 Load Balancer, CDN origin and DNS.
• Troubleshoot network and / or traffic issues in partnership with our Data Center Partners.
• Work with cross-functional teams including but not limited to compute, storage, database, application teams to drive the innovation and evolution of Tik Tok network.
• Work with external vendors and ISPs for device and carrier selection, perform testing and verification.
• Participate in the global oncall rotation to support production traffic and networking issues.

Qualifications:

Minimum qualifications:

• Good understanding of network protocols including TCP/IP, RSVP, DHCP, BGP, OSPF/IS-IS and MPLS related technologies.

• Good understanding of network monitoring protocols and tools, such as SNMP, Sflow/netflow, Telemetry.

• Hands on experience with one or more of the following: Load Balancers, DNS, CDN origin, Datacenter networking.

• Familiar with data center network architecture, such as CLOS.

• Self-motivated, good communication, written skills and team player.

• Bachelor's in Computer Science or a related field, or experience of three or more years in related field.

• Preferred qualifications

• Significant experience configuring and optimizing Nginx.

• In-depth knowledge of network protocols and implementation in hyper-scale data center networks.

• In-depth knowledge of public cloud architecture, such as AWS, GCP, Azure, Ali Cloud, OCI, etc.

• Good understanding of IPv6 and IPv4-IPv6 co-existence technologies.

• Programming/scripting in Python, Go or other languages.

As a condition of employment, all successful candidates must be able to establish authorization to work in the United States. For this position, the Company does not provide sponsorship for any immigration-related benefits.

Job Information:

For Pay Transparency Compensation Description (annually)

The base salary range for this position in the selected city is $177688 - $341734 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

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By signing up, you agree to our Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.

Client-provided location(s): Seattle, WAJob ID: Tik Tok-7546743361374980359Employment Type: OTHERPosted: 2025-09-06T20:20:56Apply on company site

Perks and Benefits

Health and Wellness

• Health Insurance
• Dental Insurance
• Vision Insurance
• HSA
• Life Insurance
• Fitness Subsidies
• Short-Term Disability
• Long-Term Disability
• On-Site Gym
• Mental Health Benefits
• Virtual Fitness Classes

Parental Benefits

• Fertility Benefits
• Adoption Assistance Program
• Family Support Resources

Work Flexibility

• Flexible Work Hours
• Hybrid Work Opportunities

Office Life and Perks

• Casual Dress
• Snacks
• Pet-friendly Office
• Happy Hours
• Some Meals Provided
• Company Outings
• On-Site Cafeteria
• Holiday Events

Vacation and Time Off

• Paid Vacation
• Paid Holidays
• Personal/Sick Days
• Leave of Absence

Financial and Retirement

• 401(K) With Company Matching
• Performance Bonus
• Company Equity

Professional Development

• Promote From Within
• Access to Online Courses
• Leadership Training Program
• Associate or Rotational Training Program
• Mentor Program

Diversity and Inclusion

• Diversity, Equity, and Inclusion Program
• Employee Resource Groups (ERG)

Company Videos

Hear directly from employees about what it is like to work at Tik Tok.
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Next Up Tik Tok Client Provided Video 101:20

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• 02:18Working at Tik Tok- Get Ready With Ali01:20Tik Tok Client Provided Video 100:33Client Provided Video 2 - Tik Tok02:07Working at Tik Tok
• Limitless Possibilities01:41Working at Tik Tok
• Women's Community01:31Working at Tik Tok
• Women's Empowerment01:45Working At Tik Tok
• BLXCK01:27Working at Tik Tok
• Diversity, Equity and Inclusion with BLXCK
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