Security Engineer
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Security Engineer at M9 Solutions, Washington, DC. Pay posted by the employer: $125k–140k/yr. Posted Nov 2, 2026, last seen on the employer's hiring page Nov 5, 2026. Mentioned in the posting: Clearance required, NIST, CISSP, CCSP, GIAC, AWS.
M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and...
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M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include IT Talent Solutions, Data Delivery & Analytics, Cyber Security, Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting.
M9 Solutions is seeking a Security Engineer to work on-site in support of a government contract for a client located in Washington, DC. An active TS/SCI clearance is required.
Responsibilities
- Leads the development of enterprise-wide cloud security policies, incident response plans, and cyber resiliency strategies.
- Designs, implements, and continuously improves secure cloud-based architectures and monitoring systems.
- Analyzes complex security data to detect, remediate, and prevent cyber threats.
- Guides platform and application teams on secure coding and architecture best practices.
- Coordinates vulnerability management activities and provides actionable recommendations.
- Represents the organization in coordination with industry and government security partners.
- Oversees COMSEC operations and crypto key management systems (CKMS).
- Ensures compliance with federal and industry standards, including NIST and CNSSI 4009.
- Mentors junior engineers and leads security-related projects from concept to deployment.
Required Skills and Qualifications
- TS/SCI security clearance.
- 8+ years of cybersecurity experience, with 3+ years in a cloud security role.
- Deep knowledge of cloud security across cloud environments.
- Expertise in security architecture, network defense, data protection, and threat modeling.
- Demonstrated experience in incident response, log correlation, and risk assessments.
- Strong communication and leadership skills; capable of briefing executives and managing cross-functional security efforts.
Preferred Skills and Qualifications
- Certifications such as CISSP, CCSP, AWS Security, or GCIH.
GH 1092
Full-Time Employee Compensation
- M9 Solutions’ pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other law.
- M9 Benefits - https://m9solutions.com/why-join-m9/#our-benefits
M9 Solutions, LLC (M9) is a Federal subcontractor and complies with all applicable federal laws prohibiting discrimination in employment, including Title VII of the Civil Rights Act of 1964 and the Americans with Disabilities Act (ADA). M9 also adheres to the affirmative action requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA), ensuring equal opportunity for protected veterans. If you wish to voluntarily share that you are an individual with a disability, you are welcome to do so at any point in the application or employment process; M9 does not require this information, and it will not affect your candidacy. If you need accommodation during the application process or encounter difficulties using our website, please contact our Human Resources Department at hr@m9solutions.com or 703-936-0880.
M9 Solutions is a proud participant in the Virginia Values Veterans (V3) program and supports the Military Medics and Corpsmen (MMAC) initiative, demonstrating our commitment to hiring and supporting veterans, transitioning service members, military spouses, and dependents.
With 15+ years of proven delivery and growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diverse perspectives in driving the vision of the company.
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