Infrastructure Security Engineer TS/SCI

We are seeking a DevSecOps Engineer with 10–15 years of experience in secure software development and deployment within Department of Defense (DoD) environments. This role requires a strong background in DevSecOps methodologies, cloud platforms, and automation tools. The ideal candidate is highly skilled in GitLab (GTLB), AWS, Elastic Stack, and Apache NiFi, and has a working understanding of RMF. Prior experience in intelligence community (IC) environments is highly desirable. This position is perfect for a technical leader who understands how to integrate security at every phase of the software development lifecycle.

Responsibilities:

• Design, implement, and manage secure CI/CD pipelines using DevSecOps best practices

• Leverage GitLab for version control, CI/CD automation, and secure code scanning

• Deploy, configure, and monitor systems and microservices within AWS environments

• Integrate Elastic Stack for logging, metrics, and operational observability

• Build and manage secure data flows using Apache NiFi

• Collaborate with security and compliance teams to align practices with RMF requirements

• Conduct security assessments and implement automated security controls across the SDLC

• Work with developers, infrastructure teams, and cyber engineers to improve the overall security posture

• Support the development of DevSecOps policies, procedures, and toolkits for enterprise adoption

• Provide technical mentorship and guidance to cross-functional engineering teams

Must Have's:

• 10–15 years of experience in DevSecOps or secure software engineering within DoD environments

• Strong proficiency in GitLab (GTLB) for CI/CD pipelines and code repository management

• Hands-on experience with AWS, including deployment, monitoring, and security controls

• Familiarity with Apache NiFi

• Working knowledge of RMF and its application in software development

• Prior experience supporting DoD programs

• Excellent communication and documentation skills

• IAT Level II certification (Security+ or equivalent)

• AWS Certified Security Specialty (SCS-C02)

Nice to Have's:

• Experience in intelligence community (IC) or classified environments

• Splunk Enterprise Certified Admin

• Familiarity with infrastructure as code tools such as Terraform or Ansible

• Experience implementing zero trust architectures or secure enclave strategies

Location
Reston, VA or Charleston, SC

Salary
$180,000 - $200,000 per year

Benefits
Competitive benefits package available (details provided during the interview process)

Mission Box Technologies is an Equal Opportunity Employer. We value the benefits of diversity in our workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity and expression, national origin, disability, protected Veteran status, or any other attribute or protected characteristic by law. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for potential access to classified information. Accordingly, US Citizenship is required. Our strategic partner is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel so classified. Furthermore, they do not establish a contract of employment and are subject to change at the discretion of our strategic partner.