# Software Engineer 3 - Linux/Bash/Python/Apache Airflow/SQL/Jupyter Notebook/NumPy/JSON at Captivation

> United States · Unspecified · Software engineering · open. Source: https://alderhq.app/jobs/greenhouse%3Acaptivation%3A5426567008 (read 2026-11-04).

## Facts (observed)

- Company: [Captivation](https://alderhq.app/companies/captivation)
- Location text: Annapolis Junction, MD; ID
- Where it can be done from (inferred): United States (evidence: "Location: Annapolis Junction, MD; ID")
- Posted: 2026-09-16 (49 days ago)
- First seen by alder: 2026-11-02 · last verified: 2026-11-04
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://job-boards.greenhouse.io/captivation/jobs/5426567008
- Skills listed (inferred): Python, Java, PostgreSQL, MySQL, Spark, Airflow, SQL

## Pay and sponsorship

- Posted pay: $130k–$270k per year (from the description)
- Market band for similar posted roles (United States, n 4659): p25 $130k, median $159k, p75 $200k

## Description (the employer's text)

### Build to something to be proud of.

Captivation has built a reputation on providing customers exactly what is needed in a timely manner. Our team of engineers take pride in what they develop and constantly innovate to provide the best solution. Captivation is looking for software developers who can get stuff done while making a difference in support of the mission to protect our country.

### Description

Captivation Software is looking for a senior level software engineer who shall possess extensive expertise in dataflow design, data transport mechanisms, and Apache Spark based distributed processing. In this role, the Software Engineer shall be responsible for designing, implementing, and optimizing data ingress/egress pathways to ensure efficient, scalable, and reliable processing of the organization’s analytics workloads.

### Requirements

### Security Clearance

- Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen
### Minimum Qualifications

- Master's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
- Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
- Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
### Required Skills

- Experience using the Linux CLI and Linux tools
- Experience developing Bash scripts to automate manual processes
- Recent software development experience using Python and Java
- Experience using Apache Airflow (DAG design, scheduling, operators, sensors) to orchestrate, schedule, and monitor complex workflows
- Experience with Distributed Big Data processing engines including Apache Spark
- Familiar with SQL technologies such as MySQL, MariaDB, and PostgreSQL for querying, joining, and aggregating large datasets
- Experience using Jupyter Notebook
- Experience with data wrangling and preprocessing using tools such as pandas, NumPy
- Experience working with structured, semi-structured, and unstructured data such as Parquet, JSON, CSV, XML
- Familiarity with data quality concepts, data validation, and anomaly detection
- Experience with Git Source Control System
### Desired Skills

- Familiar with HPC Job Scheduling tools including Slurm
- Experience with the Atlassian Tool Suite including Jira and Confluence
This position is open for direct hires only. We will not consider candidates from third party staffing/recruiting firms.

### Benefits

- Annual Salary: $130,000 - $270,000 (Depends on the Years of Experience)
- Up to 20% 401k contribution (No Matching Required and Vested from Day 1)
- Above Market Hourly Rates
- $3,600 HSA Contribution
- 6 Weeks Paid Time Off
- Company Paid Employee Medical/Dental/Vision Insurance/Life Insurance/Short-Term & Long-Term Disability/AD&D

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/greenhouse%3Acaptivation%3A5426567008 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.