---
title: 'Senior Information Systems Security Engineer at M9 Solutions'
canonical: 'https://feeny.ai/job/senior-information-systems-security-engineer-m9-solutions-washington-5zmsg1s1ffvc'
type: 'job'
last_seen: '2026-10-17'
---

# Senior Information Systems Security Engineer at M9 Solutions

- **Company:** M9 Solutions
- **Location:** Washington, DC
- **Compensation:** $125k–$140k
- **Posted:** 2026-10-13
- **Last confirmed live:** 2026-10-17
- **Apply:** https://job-boards.greenhouse.io/m9solutions/jobs/5265085007

## Job description

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 Senior Information Systems Security Engineer (Mobile Device Security SME) 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

- Develops and implements enterprise-level mobile security strategies and policies aligned with organizational objectives and federal standards, including NIST SP 800-124, NIST SP 800-53, and FIPS.
- Serves as a key technical advisor on secure mobile device usage, mobile application vetting, and mobile threat defense.
- Designs and validates secure architectures for mobile device deployments, including containerization, encryption, remote wipe, and endpoint protection.
- Evaluates and configures Mobile Device Management (MDM) and Enterprise Mobility Management (EMM) solutions such as Microsoft Intune, VMware Workspace ONE, and MobileIron.
- Analyzes and assesses mobile security vulnerabilities, threats, and exploits.
- Leads response and remediation strategies for mobile-related security incidents.
- Conducts security reviews of mobile applications, operating system configurations, Bluetooth/NFC settings, and mobile communications protocols.
- Ensures mobile device deployments comply with Zero Trust Architecture (ZTA), Executive Order 14028, FedRAMP, Risk Management Framework (RMF), and organizational mobile use policies.
- Integrates mobile device telemetry and security logs into continuous monitoring platforms, including SIEM and endpoint analytics solutions, to maintain ongoing risk visibility.
- Provides technical training and guidance to Information System Security Officers (ISSOs), system owners, and end users on secure mobile device practices.
- Participates in cybersecurity governance meetings and contributes mobile security expertise to enterprise risk management decisions.
- Collaborates with IT, Governance, Risk, and Compliance (GRC), and Security Engineering teams to enable secure mobile access for remote work, Bring Your Own Device (BYOD), and sensitive enterprise systems.
- Leads or supports mobile security projects, including pilot programs, deployments, audits, technology rollouts, and modernization initiatives.

Required Skills and Qualifications

- TS/SCI security clearance.
- Bachelor's degree from an accredited college or university in Cybersecurity, Information Technology, Computer Science, or a related field.
- 8+ years of experience in mobile security, enterprise security architecture, or a cybersecurity-focused Subject Matter Expert (SME) role.
- Deep understanding of mobile operating systems, including iOS and Android, MDM/EMM platforms, and mobile network protocols.
- Knowledge of federal cybersecurity frameworks and policies, including NIST SP 800-124, NIST SP 800-53 Rev. 5, Executive Order 14028, and FISMA.
- Experience with mobile endpoint security, secure communications, and remote device management.

## Preferred Skills and Qualifications

- Industry-recognized cybersecurity certifications such as CISSP, CISM, CEH, CompTIA Security+, or CySA+.
- Experience supporting federal government or highly regulated environments, including Intelligence Community (IC) or civilian agencies.
- Familiarity with Zero Trust Architecture and mobile integration strategies.
- Hands-on experience with vulnerability scanning tools used in mobile environments.
- Working knowledge of mobile platform supply chain risks and application vetting processes.

GH 1072

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

Salary Range $125,000—$140,000 USD

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.

## About M9 Solutions

## Company Overview
- **One-liner**: M9 Solutions delivers IT services and solutions to the U.S. Federal Government, specializing in digital transformation, cloud migration, cybersecurity, and software development.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Vienna, Virginia, United States (also has offices in Arlington, VA; Atlanta, GA)
- **Founded**: 2007
- **Founders**: James McKee (Founder & CEO)

## Core Business
- Primary industry/industries: IT Services and IT Consulting, Government Contracting (Federal Sector)
- Target customers: U.S. Federal Government agencies (B2G) – they work across 30+ Federal Agencies
- Mission or purpose statement: "Delivering the Digital Future" ™ – mobilizing the right people, skills, clearance levels, and technologies to help organizations achieve improved performance and modern, sustainable change.

## Products & Services
- **IT Talent Solutions**: Staffing and workforce solutions for federal IT projects.
- **Cloud Migration, Applications, and Infrastructure**: Cloud strategy, migration, and management services.
- **Cybersecurity**: Security assessments, CMMC compliance, and threat management.
- **Data Science**: Data analytics, data delivery, and data-driven decision-making support.
- **Digital Transformation**: Modernizing legacy systems, processes, and tools for federal agencies.
- **Software Development**: Custom application development, rated at CMMI Maturity Level 3.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (Private company).
- **Key Metric**: Annual Revenue of **USD $22.7 million** (LinkedIn estimate, as of most recent data).
- **Notable Investors/Partners**: Partners include Deloitte (on a $102M U.S. Navy contract), Silverwake Solutions LLC (forming Silver9, an SDVOSB Joint Venture). Key clients include CMS (Healthcare.gov), DHS/TSA (Secure Flight).
- **Growth Signals**:
    - Seven-time Inc. 500/5000 honoree (2012, 2016, 2017, 2018, 2019, 2020, 2021).
    - Named one of the Top 250 Fastest-Growing Private Companies in the Washington, D.C. Metro Area (2021).
    - Recognized as one of the Healthiest Employers of Virginia (2023, 2024).
    - Headcount of 100+ employees (company site) vs. 37 (LinkedIn estimate) – likely the LinkedIn figure is an undercount, with the company reporting over 100 employees.
    - Holds CMMI Maturity Level 3 ratings for both services and software development divisions.

## Competitive Advantages
- **Federal Focus & Clearance**: 100% focused on the Federal sector, with a deep understanding of government compliance (CMMC Level 1, V3-certified employer).
- **Proven Track Record**: Key wins include the high-profile Healthcare.gov initiative and a $102M U.S. Navy submarine contract (via Deloitte).
- **Certifications & Maturity**: CMMI Level 3, CMMC Level 1, and a strong history of Inc. 500 recognition signal quality and reliability.
- **Employee-Centric Culture**: High employee ratings (4.6/5.0 on LinkedIn; 4.7 for Culture) suggest strong retention and satisfaction.

## Strategic Focus
- **Growth & Prime Contracts**: Actively pursuing new strategic contract vehicles and moving toward prime contracts rather than just subcontracts.
- **Digital Modernization**: Continued focus on cloud, cybersecurity, and data science to meet evolving federal IT needs.
- **Partnership Expansion**: Leveraging joint ventures (e.g., Silver9 with Silverwake Solutions) to expand capabilities and contract access.

## Why Work Here
- **Culture**: Strongly employee-centric with a "best idea wins" mindset. Core values include Curiosity, Integrity, Humility, Work Ethic, Kindness, Competitiveness, Humor, Reliability, Respect. Regular pulse surveys and check-ins ensure every voice matters.
- **Remote/Hybrid/Office Policy**: Not explicitly stated for all roles, but based on federal contracting, many positions likely require on-site work or a hybrid model in the D.C./Virginia area. Multiple office locations (Vienna, Arlington, Atlanta).
- **Notable Perks**:
    - Comprehensive benefits: Medical, Dental, Vision, Life & AD&D, Short- & Long-Term Disability.
    - **401(k)**: Vanguard plan with immediate vesting; M9 matches 100% of the first 3% and 50% of the next 2%.
    - **PTO**: Three different PTO plans based on experience and clearance level.
    - **Holidays**: 8 paid federal holidays + up to 3 floating holidays.
    - **Certification Reimbursement**: Financial support for professional development.
    - **Matching Gift Program**: M9 matches charitable donations dollar-for-dollar up to $500/year.
    - **Employee Recognition**: Quarterly awards program celebrating core values.
- **Engineering Culture**: CMMI Level 3 rated software development, focus on innovation and bold ideas. Team is described as "driven, curious, and forward-thinking."

## Sources
1. [M9 Solutions Official Website](https://m9solutions.com/)
2. [M9 Solutions About Us Page](https://m9solutions.com/about-us/)
3. [M9 Solutions Careers Page](https://m9solutions.com/career/)
4. [M9 Solutions Why Join M9 Page](https://m9solutions.com/why-join-m9/)
5. [M9 Solutions LinkedIn Profile](https://www.linkedin.com/company/m9-solutions)

## Other roles at M9 Solutions

- [FSR Engineer](https://feeny.ai/job/fsr-engineer-m9-solutions-washington-mekf57fjvvhp) — Washington, DC
- [Field Service Representative (FSR) Build & Configure Engineer](https://feeny.ai/job/field-service-representative-fsr-build-configure-engineer-m9-solutions-san-diego-ndhcprmpwb2g) — San Diego, CA
- [FSR Engineer](https://feeny.ai/job/fsr-engineer-m9-solutions-washington-axfye1pyc2r2) — Washington, DC
- [FSR Engineer](https://feeny.ai/job/fsr-engineer-m9-solutions-washington-0de405g2n6ny) — Washington, DC
- [Reliability Engineer (Spark/Foundry Workflows)](https://feeny.ai/job/reliability-engineer-spark-foundry-workflows-m9-solutions-remote-r8d7t221w4j7)
- [CSS Support Operations Analyst](https://feeny.ai/job/css-support-operations-analyst-m9-solutions-remote-kt5j5dtzkjwq)
- [CSS Support Engineer L2](https://feeny.ai/job/css-support-engineer-l2-m9-solutions-remote-4n3pdfv3e655)
- [Test Engineer](https://feeny.ai/job/test-engineer-m9-solutions-scottsdale-htdy9k3a0erf) — Scottsdale, AZ
- [Advanced Test Engineer](https://feeny.ai/job/advanced-test-engineer-m9-solutions-scottsdale-0j0nt4zwg2py) — Scottsdale, AZ
- [Senior Network Engineer](https://feeny.ai/job/senior-network-engineer-m9-solutions-springfield-pv7a93v5vbjt) — Springfield, VA