Data Science Analyst

About this role

The application window is expected to close on: 08/24/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received .

Job Description

Meet the Team   Join the Optics Operations team, supporting manufacturing and test operations for optical products by building and sustaining the data infrastructure needed for visibility, control, and continuous improvement. We work across Test Engineering, Manufacturing, and Quality to ensure operational data is accurate, accessible, and actionable. This role will support projects involving manufacturing-line data systems, test data extraction, and analysis workflows tied to optical test operations.

Your Impact   As a product line data analyst, you will: • Perform data hygiene and reconciliation activities, including identification and resolution of missing, duplicate, malformed, or inconsistent records.

• Analyze test and manufacturing data to identify trends, anomalies, yield issues, and process deviations.

• Monitor manufacturing-line data systems for data quality, completeness, consistency, and usability.

• Create recurring and ad hoc reports to support engineering investigations, operational monitoring, and management decision-making.

• Develop, maintain, and optimize SQL queries, views, stored procedures, and reporting datasets to support manufacturing and test operations.

• Support ETL-style data extraction and transformation workflows from manufacturing databases. Maintain and improve Python-based extraction and processing code used for recurring data pulls, normalization, validation, and analysis support.

Minimum Qualifications:   • Bachelor’s degree in Data Analytics, Computer Science, Information Systems, Engineering, Mathematics, or a related technical field.

• 2 years of experience in a data analyst, or manufacturing data support role.

• Proficient in SQL, including joins, aggregations, filtering, subqueries, common table expressions, and performance-conscious query design.

• Experience with data hygiene, validation, reconciliation, and quality checks in operational datasets.

• Working proficiency in Python for maintaining and improving extraction, cleansing, and transformation scripts.

Preferred Qualifications: • Experience supporting manufacturing, test, operations, or quality data environments.

• Experience working with data generated by automated test systems, production systems, or factory equipment.

• Familiarity with SPC, Cp/Cpk, yield analysis, or related manufacturing/process-control concepts.

• Experience with Python libraries such as pandas for data manipulation and analysis.

• Experience preparing data for dashboards or business intelligence tools such as Power BI or Tableau.

Why Cisco?  At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint. Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere.  We are Cisco, and our power starts with you. 

Message to applicants applying to work in the U.S. and/or Canada:

The starting salary range posted for this position is $166,400.00 to $217,500.00 and reflects the projected salary range for new hires in this position in U.S. and/or Canada locations, not including incentive compensation*, equity, or benefits. Individual pay is determined by the candidate's hiring location, market conditions, job-related skillset, experience, qualifications, education, certifications, and/or training. The full salary range for certain locations is listed below. For locations not listed below, the recruiter can share more details about compensation for the role in your location during the hiring process.

U.S. employees are offered benefits, subject to Cisco’s plan eligibility rules, which include medical, dental and vision insurance, a 401(k) plan with a Cisco matching contribution, paid parental leave, short and long-term disability coverage, and basic life insurance. Please see the Cisco careers site to discover more benefits and perks.  Employees may be eligible to receive grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time.

U.S. employees are eligible for paid time away as described below, subject to Cisco’s policies: • 10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees

• 1 paid day off for employee’s birthday, paid year-end holiday shutdown, and 4 paid days off for personal wellness determined by Cisco

• Non-exempt employees** receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees

• Exempt employees participate in Cisco’s flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations)

• 80 hours of sick time off provided on hire date and each January 1st thereafter, and up to 80 hours of unused sick time carried forward from one calendar year to the next

• Additional paid time away may be requested to deal with critical or emergency issues for family members

• Optional 10 paid days per full calendar year to volunteer

For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco’s policies.

Employees on sales plans earn performance-based i

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