Database Engineer

Ptech Llc; Annapolis (MD); On-site; USD 185,000 - 230,000; Full time

Benefits offered by this job

Generous PTO

Healthcare

Life Insurance

401k

Job summary

Peterson Technologies seeks a Database Engineer to design and optimize PostgreSQL databases, ensure high availability, and collaborate with development teams on complex queries. The role emphasizes performance tuning, cloud database services, and automation across Linux environments.

The ideal candidate has 10+ years of DBE experience, PostgreSQL/PostGIS expertise, and familiarity with Docker/Kubernetes, Prometheus, Grafana, and IaC tooling. Security clearances are required for select programs.

Qualifications

• Bachelor's degree in a technical discipline or equivalent experience.
• Ten years of DBE experience in similar programs and contracts.
• Experience with PostgreSQL and PostGIS is required.
• Strong SQL skills and performance tuning expertise.
• Proficiency in Linux/Unix and CLI tooling (psql).
• Experience with replication, partitioning, backups, and HA strategies.
• Scripting for automation (Bash, Python).
• Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, Azure Database for PostgreSQL).
• Knowledge of CI/CD pipelines and IaC (Terraform, Ansible).
• Exposure to other RDBMS/NoSQL is a plus.

Responsibilities

• Design and optimize PostgreSQL schemas, indexes, and queries for performance.
• Monitor and tune database performance using native tools and custom scripts.
• Implement and maintain HA and replication strategies.
• Collaborate with developers to refine complex queries and stored procedures.
• Automate routine tasks with scripting languages.
• Document database architecture, processes, and best practices.

Skills

SQL

Linux

Bash

Python

PostgreSQL

PostGIS

Replication

Monitoring

Cloud

Docker

Kubernetes

Education

Bachelor's degree

Tools

psql

Prometheus

Grafana

Terraform

Ansible

Oracle

MySQL

Job description

Description: Provides technical expertise for database design, development, implementation, information storage and retrieval, data flow and analysis. Develops relational and/or Object-Oriented databases, database parser software, and database loading software. Projects long-range requirements for database administration and design. Responsible for developing a database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls. The DBE works primarily at the front end of the lifecycle-requirements through system acceptance testing and Initial Operational Capability (IOC). Develops requirements from a project's inception to its conclusion for a particular business and Information Technology (IT) subject matter area (i.e., simple to complex systems). Assist with recommendations for, and analysis and evaluation of systems improvements, optimization, development, and/or maintenance efforts. Translates a set of requirements and data into a usable document by creating or recreating ad hoc queries, scripts, and macros; updates existing queries, creates new ones to manipulate data into a master file; and builds complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies.

Experience Required

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.

Ten (10) years' experience as a DBE in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of DBE experience may be substituted for a bachelor's degree. The candidate must have experience with PostgreSQL and PostGIS.

Key Responsibilities

• Design and optimize PostgreSQL database schemas, indexes, and queries for performance and scalability.
• Monitor and tune database performance using native tools and custom scripts.
• Implement and maintain high availability (HA) and replication strategies.
• Collaborate with developers to refine complex queries and stored procedures.
• Automate routine tasks using scripting languages (e.g., Bash, Python).
• Document database architecture, processes, and best practices.

Required Qualifications

• Strong SQL skills and experience with performance tuning and query optimization.
• Proficiency in Linux/Unix environments and CLI tools like psql.
• Experience with logical and physical replication, partitioning, and backup strategies.
• Familiarity with monitoring tools (e.g., pg_stat_statements, Prometheus, Grafana).
• Knowledge of scripting languages for automation and tooling.

Preferred Qualifications

• Experience with containerized environments (Docker, Kubernetes).
• Familiarity with cloud platforms (AWS RDS, GCP Cloud SQL, or Azure Database for PostgreSQL).
• Understanding of CI/CD pipelines and infrastructure as code (Terraform, Ansible).
• Exposure to other RDBMS (e.g., Oracle, MySQL) or NoSQL systems is a plus.

This position requires in-scope poly, within 7 years.

Benefits

• Peterson Technologies provides for an excellent benefit package to include generous PTO, healthcare, STD, LTD, Life Insurance, 401k contribution and Tuition and Training reimbursement.

Salary range depending on experience - $185,000 - $230,000

Peterson Technologies will provide reasonable accommodations to applicants who are unable to utilize our online application system due to a disability.

Peterson Technologies is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Do you have an active TS/SCI FSPG clearance?*

The following questions are entirely optional.

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

• A “disabled veteran” is one of the following:
  • a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
  • a person who was discharged or released from active duty because of a service-connected disability.
• A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
• An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
• An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

I IDENTIFY AS ONE OR MORE OF THE CLASSIFICATIONS OF PROTECTED VETERAN LISTED ABOVE

I AM NOT A PROTECTED VETERAN

I DON’T WISH TO ANSWER

Voluntary Self-Identification of Disability

Voluntary Self-Identification of Disability Form CC-305

OMB Control Number 1250-0005

Expires 05/31/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualifiedpeople with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says wemust measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disabilityor have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one whomakes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If youwant to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract CompliancePrograms (OFCCP) website at www.dol.gov/ofccp .

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever hadsuch a condition, you are a person with a disability. Disabilities include, but are not limited to:

• Alcohol or other substance usedisorder (not currently usingdrugs illegally)
• Blind or low vision
• Cancer (past or present)
• Cardiovascular or heartdisease
• Celiac disease
• Cerebral palsy
• Deaf or serious difficultyhearing
• Diabetes
• Disfigurement, for example,disfigurement caused by burns,wounds, accidents, or congenitaldisorders
• Epilepsy or other seizure disorder
• Gastrointestinal disorders, for example,Crohn's Disease, irritable bowelsyndrome
• Mental health conditions, for example,depression, bipolar disorder, anxietydisorder, schizophrenia, PTSD
• Missing limbs or partially missing limbs
• Mobility impairment, benefiting from theuse of a wheelchair, scooter, walker,leg brace(s) and/or other supports
• Nervous system condition, for example,migraine headaches, Parkinson’sdisease, multiple sclerosis (MS)
• Neurodivergence, for example,attention-deficit/hyperactivity disorder(ADHD), autism spectrum disorder,dyslexia, dyspraxia, other learningdisabilities
• Partial or complete paralysis (anycause)
• Pulmonary or respiratory conditions, forexample, tuberculosis, asthma,emphysema

Please check one of the boxes below:

YES, I HAVE A DISABILITY, OR HAVE HAD ONE IN THE PAST NO, I DO NOT HAVE A DISABILITY AND HAVE NOT HAD ONE IN THE PAST I DO NOT WANT TO ANSWER

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.