Senior Security Developer (Full Stack)

C Mack Solutions LLC; Ashburn (VA); On-site; USD 75,000 - 155,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Retirement plan

Paid time off

Job summary

C Mack Solutions LLC is seeking a senior software developer/architect to lead security implementations across our infrastructure, primarily in the application layer, and guide cross-functional teams through the development lifecycle.

The role focuses on securing AWS-based microservices, integrating security into CI/CD, and mentoring teams to deliver mission-critical systems with clear customer value. U.S. Citizenship is required and CBP Public Trust clearance is possible.

Qualifications

• Bachelor’s degree and over 10 years of hands-on software development experience.
• Experience with Java, Python, and Angular in production environments.
• Proven security expertise: TLS/SSL, OAuth, OpenID Connect, SAML and encryption.

Responsibilities

• Engineer and lead security measures across the software lifecycle.
• Establish security architecture for AWS-based microservices.
• Analyze code scans and collaborate with compliance teams to improve findings.
• Integrate security checks into CI/CD pipelines and source control.
• Mentor team members and communicate complex security concepts.

Skills

Java

Python

Angular

Spring Boot

TLS/SSL

OAuth

OpenID Connect

SAML

Docker

Kubernetes

AWS

CI/CD

Zero Trust

Education

Bachelor’s degree

Tools

Docker

Kubernetes

AWS

Spring Boot

Job description

Description

C. Mack Solutions is looking for a senior software developer/architect with a passion for government technology solutions to lead the implementation of security solutions across all layers of our infrastructure, though primarily in the application layer, and in the interactions between systems. The ideal candidate will relish the opportunity to tackle hard problems and find solutions within the environmental constraints that exist. They will also be able to serve as a technical lead, working independently and in coordination with other team members to communicate complex technical concepts and guide cross-functional teams through the development lifecycle. This is a great opportunity to work on mission-critical systems that bring clear value to our customers and end users on a daily basis.

What You'll Be Doing:

• Engineer and deploy comprehensive security measures throughout the software lifecycle, from development to production, ensuring adherence to secure coding standards and safeguarding data
• Establish and maintain security architecture and policies specifically designed for AWS-based microservices environments
• Scale security solutions across diverse development teams and applications with varying architectural designs
• Analyze code scan outputs from tools like Anchore, WebInspect, and DBProtect, and collaborate with compliance teams to fine-tune and enhance scanning effectiveness
• Champion early-stage security integration by building and embedding tools that enforce security checkpoints within CI/CD workflows
• Integrate security checks into source control and pipelines to deliver prompt feedback and uncover insecure coding patterns early in the development process
• Perform vulnerability scans and penetration tests to detect and address security weaknesses proactively
• Apply ethical hacking techniques to uncover and remediate security flaws in both applications and infrastructure
• Promote secure development practices in Java, Python, and Angular by offering internal training and hands-on support for secure coding, deployment, and operations
• Deploy real-time security monitoring and alerting systems to swiftly identify and respond to potential threats

Requirements

U.S. Citizenship is required. Candidate must be able to obtain CBP Public Trust clearance.

• Bachelor’s degree and over 10 years of hands-on experience in software development using Java, Python, and Angular
• Recent experience building applications in Java with Spring Boot framework
• Proven expertise in implementing security protocols such as TLS/SSL, IPsec, OAuth, OpenID Connect, SAML, HTTPS, and encryption/key management
• Solid grasp of Zero Trust security concepts and practical approaches to implementation
• Extensive experience working with AWS services and security tools, including IAM, VPC, CloudTrail, and AWS Security features
• Strong background in microservices and container technologies, including Docker and Kubernetes
• Track record of integrating security checks and controls into CI/CD pipelines
• Knowledgeable in network security, database systems, and hardware-level protections
• Exceptional analytical and troubleshooting abilities, with a keen eye for detail
• Effective communicator able to explain complex security topics to both technical and non-technical audiences
• Experienced in leading projects and mentoring team members to support growth and collaboration
• Collaborative mindset with the ability to work closely with developers, ISSOs, security engineers, architects, and other stakeholders involved in solution delivery

Preferred Skills and Experience:

• Skilled in using ethical hacking tools and techniques to identify and address security vulnerabilities
• Holds relevant certifications such as Certified Ethical Hacker (CEH), Certified Information Systems Security Professional (CISSP), or AWS Certified Security – Specialty
• Experienced in contributing to large-scale initiatives involving multiple development and operations teams
• Familiar with working on federal government projects, including navigating compliance and regulatory requirements

Work Location: This position is limited to candidates residing in U.S. states where the company is currently registered to employ team members.

Salary Range: $75,000 – $155,000 annually

This position may be filled at the Entry, Mid, Senior, or SME level based on the selected candidate’s qualifications and experience. Final compensation will be determined based on level alignment, experience, education, and internal equity.

Benefits: In addition to base compensation, this position is eligible for company-sponsored benefits, which may include medical, dental, and vision insurance, retirement savings plans, paid time off, and other supplemental programs.