811913 Systems Engineer $245,000.00

B4Corp; McLean (VA); On-site; USD 220,500 - 269,500; Full time

Benefits offered by this job

Outstanding Salaries

Full Vanguard 401k Plan

Medical, Dental, Vision Insurance

Seven weeks of PTO

Job summary

B4Corp is seeking a Systems Engineer in McLean, VA, with a Top Secret (TS/SCI) Clearance. The position focuses on testing applications deployed on AWS, requiring experience in QA fundamentals, automation frameworks, and CI/CD pipelines.

The ideal candidate will have strong defect isolation skills and the ability to collaborate with developers. B4Corp provides an outstanding compensation package and values a mission-focused work environment.

Qualifications

• Developmental (0-2 years’ experience) or higher.
• Experience with testing distributed systems/microservices, and Infrastructure-as-Code.
• Good written and verbal communication skills.

Responsibilities

• Test applications deployed on AWS and document findings.
• Maintain automated tests integrated into CI/CD pipelines.
• Collaborate with developers to reproduce issues and validate fixes.

Skills

Testing applications deployed on AWS

QA fundamentals knowledge

Test automation experience

Writing automated tests

Version control (Git)

Defect isolation and debugging skills

Education

Top Secret (TS/SCI) Clearance

Tools

Python + pytest

Java + JUnit/TestNG

JavaScript/TypeScript + Playwright/Cypress/Selenium

GitHub Actions

Jenkins

AWS CodePipeline/CodeBuild

Job description

Overview

Labor Category: Systems Engineer

Position Title: Systems Engineer

Position Level: Level 1 – Subject Matter Expert

Salary: Up to $245,000.00 per year

Core Hours: 9am to 4pm

Location: McLean VA

Description: Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph. This position is being bid on and is not funded and closes on 6/15/26

Mandatory Requirements

• Developmental (0-2 years’ experience)
• Full Performance (3-5 years’ experience)
• Senior (6-10 years’ experience)
• Expert (11-15 years’ experience)
• SME (16+ years’ experience)
• Demonstrated experience testing applications deployed on AWS (at least 1–2 major services such as EC2, S3, RDS, Lambda, API Gateway, ECS/EKS, or CloudFront)
• Demonstrated experience with strong knowledge of QA fundamentals: test planning, test case design, defect lifecycle, regression testing, risk-based testing.
• Demonstrated experience with test automation experience using one or more frameworks/languages (e.g., Python + pytest, Java + JUnit/TestNG, JavaScript/TypeScript + Playwright/Cypress/Selenium).
• Demonstrated experience writing and maintaining automated tests integrated into CI/CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI, or AWS CodePipeline/CodeBuild).
• Demonstrated experience with version control (Git) and standard SDLC practices (Agile/Scrum).
• Demonstrated experience with strong defect isolation and debugging skills; can collaborate with developers/DevOps to reproduce issues and validate fixes.

Optional Requirements

• Demonstrated experience testing distributed systems/microservices, including asynchronous/event-driven flows (e.g., SQS/SNS/EventBridge/Kinesis).
• Demonstrated experience with Infrastructure-as-Code exposure (Terraform, AWS CloudFormation, AWS CDK) and ability to validate deployments or config changes.
• Demonstrated experience with container platforms and orchestration (Docker, ECS, or EKS/Kubernetes) and testing containerized workloads.
• Demonstrated experience testing APIs (REST/JSON) using tools such as Postman, curl, or similar; ability to validate status codes, payloads, headers, auth, and error handling.
• Demonstrated experience with logging or monitoring for troubleshooting test failures (e.g., CloudWatch logs/metrics; or Splunk/ELK).
• Demonstrated performance and reliability testing experience (load/stress/soak) using tools such as k6, JMeter, Gatling, Locust; familiarity with scaling behaviors in AWS.
• Demonstrated experience with test data management in cloud environments (synthetic data, masking, seeding, or ephemeral environments).
• Demonstrated AWS certification (Cloud Practitioner, Developer Associate, SysOps Associate, or DevOps Engineer).
• Demonstrated experience in complex, high security, regulated environments.
• Demonstrated experience with excellent written and verbal communication skills with both technical and non-technical audiences.

B4CORP Company Information

B4Corp is a small defense contracting company that focuses on providing an optimum environment for mission-focused, highly skilled consultants to support the United States of America’s intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client’s needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self-motivation, and mission drive.

B4Corp’s dedication and care for its employees is reflected in our outstanding compensation and benefits package. B4Corp’s benefits reflect the company’s policy of putting the employees first. B4Corp’s maximum flexibility comp / makeup time policy, along with the company’s cafeteria-style benefit plan that allows employees to maximize their Benefit Dollars, reflects B4Corp’s commitment to its employees.

Compensation

• Outstanding Salaries

Retirement

• Full Vanguard 401k Plan – Featuring a full scope of investment options – 100% employer matched contribution up to 6% of employee's salary – Ability to max out 401k savings $57k ($63.5k if over 50)
• Employees receive B4Corp phantom stock each year (2-year vesting period)

Insurance

• Medical – United Health Care (UHC) (multiple plan options)
• Dental – United Concordia (UC) Flex Plan
• Vision – Vision Service Plan Insurance Co (VSP) Signature Plans
• Mutual of Omaha short-term disability (60% of salary up to $2,000.00/week)
• Mutual of Omaha long-term disability (60% of salary up to $10,000.00/month)
• Mutual of Omaha life insurance ($200,000.00)

Employee Referral Bonus

• Refer a friend or a coworker and receive $3,000 per year for every year the person works for B4CORP

Paid Time Off (PTO)

• Seven weeks of leave per year (including ten federal holidays)
• Flexible work schedule with comp time (with customer approval)

This form will help us find you the best position quicker. This is an EEO and e-Verify employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation or national origin.