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Sr. Postgres DBA

Calling all innovators – find your future at Fiserv.

We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

Job Title

Sr. Postgres DBA

What does a successful Postgres DBA do at Fiserv?

Join our dynamic team as a Postgres DBA, where you’ll manage and support enterprise databases in fast-paced environments. You’ll work with cutting-edge on-premise and cloud technologies, collaborating closely with application and support teams to optimize performance and drive innovation. If you’re passionate about database management and eager to make an impact, this is the role for you.

What you will do:

  • Will be the SME for a platform that supports close to 1 million credit card transactions/day.
  • Manage and optimize our Postgres databases, ensuring they run smoothly and efficiently.
  • Collaborate closely with our application team to understand project requirements and deliver solutions that meet their needs.
  • Utilize your expertise in ETL processes to integrate data effectively across our systems.
  • Leverage your 10+ years of experience in relational database systems like PostgreSQL, MySQL, and Oracle, with a strong preference for Postgres.
  • Take charge of installing, upgrading, and maintaining our database software to keep everything up to date.
  • Automate manual tasks to improve efficiency and minimize downtime, showing your passion for innovation.
  • Participate in a 24x7 support rotation, ensuring our databases are always operational and ready to perform.

What you will need to have:

  • Bachelor's Degree (preferably Computer Science or Engineering) or equivalent combination of experience, education and military.
  • Experience as Postgres DBA, supporting Postgres DB in Production. Experience stabilizing the platform in an environment where they were the SME for Postgres.
  • 10+ years of experience with PostgreSQL, including performance management, query optimization, and database health analysis using tools like SolarWinds, with ownership of the entire platform.
  • 5+ years of experience as a DBA.
  • Strong understanding of database technologies, including logical and physical design, automation, documentation, installations, shell scripting, PL/SQL programming, query and system tuning, resource contention analysis, backup and recovery, standby, and replication.
  • Proficient in Linux, with extensive experience in administrating database clusters.
  • Skilled in shell scripting (e.g., Bash, Perl), Python, and Terraform.
  • Familiarity with NoSQL databases, such as Couchbase and MongoDB.

What would be great to have: 

  • Certified in AWS or Azure cloud and PostgreSQL.

Important info about this role:  

  • We’re better together. This role is fully on-site.

#LI-SH2

This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Illinois, Maryland, New York, Nevada, Rhode Island or Washington.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate.

Thank you for considering employment with Fiserv.  Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. 

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.

Average salary estimate

$135000 / YEARLY (est.)
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$120000K
$150000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Sr. Postgres DBA, Fiserv

Are you ready to step into a crucial role in one of the leading Fintech companies? Join Fiserv as a Sr. Postgres DBA in King of Prussia, Pennsylvania! In this exciting position, you'll be at the forefront of managing and supporting enterprise databases that handle nearly a million credit card transactions daily. Imagine the thrill of optimizing Postgres databases, ensuring they run super smoothly while collaborating with top-notch application and support teams to drive innovation and performance. With over a decade of experience in database management systems, especially PostgreSQL, you'll be the go-to expert, stabilizing the platform in a challenging production environment. You’ll work with the latest cloud technologies, and you'll have the chance to implement ETL processes for seamless data integration. We’re looking for someone who thrives on automating manual tasks to enhance efficiency and minimize downtime. While participating in a 24x7 support rotation, you'll ensure our databases are always running at peak performance. If you're someone who loves tackling challenges head-on and has a Bachelor’s Degree (preferably in Computer Science or Engineering) or an equivalent experience, we want to hear from you! Join us at Fiserv and help shape the future of financial technology, all while working in a supportive, collaborative environment.

Frequently Asked Questions (FAQs) for Sr. Postgres DBA Role at Fiserv
What are the main responsibilities of a Sr. Postgres DBA at Fiserv?

As a Sr. Postgres DBA at Fiserv, your main responsibilities include managing and optimizing Postgres databases to ensure high performance and reliability. You'll collaborate closely with application teams to understand project requirements, oversee ETL processes for data integration, and maintain database software by installing and upgrading as needed. Your role will also involve automating tasks to increase efficiency and participating in 24x7 support to keep the databases operational.

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What qualifications are needed for the Sr. Postgres DBA role at Fiserv?

To qualify for the Sr. Postgres DBA position at Fiserv, candidates need a Bachelor's Degree in a relevant field or equivalent experience, along with at least 10 years of experience with relational databases, particularly PostgreSQL. Familiarity with performance management, query optimization, and database health analysis is essential, alongside skills in shell scripting and proficiency in Linux. Experience with NoSQL databases would also be a plus.

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How does Fiserv support its Sr. Postgres DBA team?

At Fiserv, support for the Sr. Postgres DBA team is robust, with a focus on collaboration among application and support teams to foster innovation. The team enjoys access to cutting-edge technologies and opportunities for professional development. Fiserv values input from its DBAs, encouraging contributions toward improving database management processes and overall systems performance.

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What technologies will a Sr. Postgres DBA work with at Fiserv?

As a Sr. Postgres DBA at Fiserv, you will work with advanced on-premise and cloud technologies, primarily focusing on PostgreSQL, but also include exposure to MySQL and Oracle. You'll get to enhance your skills in shell scripting, Python, and Terraform while potentially engaging with NoSQL databases like Couchbase and MongoDB.

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Is the Sr. Postgres DBA position at Fiserv remote or on-site?

The Sr. Postgres DBA position at Fiserv is a fully on-site role based in King of Prussia, Pennsylvania. This setup fosters teamwork, allowing for immediate collaboration and support among your peers, contributing to an enriching working environment.

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Common Interview Questions for Sr. Postgres DBA
How do you approach performance tuning in PostgreSQL?

When addressing performance tuning in PostgreSQL, I first analyze the query execution plans to pinpoint any bottlenecks. I then focus on optimizing indexes to speed up query response times, adjusting PostgreSQL configuration settings for memory usage, and utilizing tools like SolarWinds for monitoring database health. Careful attention to these details has helped improve performance in my past roles.

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Can you explain your experience with ETL processes?

Certainly! In my previous roles, I've played a vital part in developing and optimizing ETL processes to ensure efficient data integration. I utilize tools like Apache NiFi and my expertise in SQL to design data pipelines that transform and load data from various sources into our databases seamlessly, ensuring data quality and consistency.

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What is your strategy for database backup and recovery?

I place a great emphasis on a well-rounded backup and recovery strategy that includes regular automated backups, stored off-site for disaster recovery. I also ensure that I frequently test recovery scenarios to validate the backup integrity and establish clear recovery time objectives, enabling minimal downtime in emergencies.

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How familiar are you with cloud database technologies?

I have a solid understanding of cloud database technologies, including AWS and Azure services. My experience includes deploying PostgreSQL databases in the cloud, utilizing services like Amazon RDS and Azure Database for PostgreSQL, and leveraging their features for scalability and security.

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Describe a challenge you faced as a DBA and how you resolved it.

Once, we encountered a significant performance degradation during peak transaction hours. To address this, I conducted a thorough review of our indexing strategy and identified areas for improvement. By adding the necessary indexes and optimizing our query patterns, we managed to improve performance and reduce transaction times significantly.

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What tools do you prefer for monitoring database performance?

I often rely on tools like SolarWinds for monitoring database performance, as it provides real-time insights and alerts for any potential issues. Additionally, I use pgAdmin for managing PostgreSQL instances, where I can monitor query execution and manage database configurations effectively.

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How do you ensure data security in your databases?

To ensure data security, I implement best practices such as regular audits, strict access controls, and encryption for sensitive data both at rest and in transit. I also keep the database software updated with the latest security patches and perform vulnerability assessments to identify potential risks proactively.

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What scripting languages are you proficient in?

I am proficient in shell scripting languages like Bash and Perl and also have hands-on experience with Python for tasks such as data manipulation and automation of database maintenance. These skills help me streamline processes and improve overall efficiency in managing databases.

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Explain the concept of database replication.

Database replication involves duplicating and distributing data across multiple database instances to enhance availability and reliability. In PostgreSQL, I utilize streaming replication and logical replication techniques to ensure real-time data synchronization, allowing for failover capabilities in case of hardware failures.

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What do you prioritize when optimizing a database?

My priority when optimizing a database is understanding the workload characteristics and user requirements. This includes analyzing query patterns, optimizing indexing strategies, and tuning the database configuration to balance performance and resource usage effectively, ensuring the database operates at its peak while maintaining stability.

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DATE POSTED
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