Director of Cybersecurity - National Security and Defense
Location: McLean, VA
Company: Harmonia Holdings Group, LLC
Job Description Apply Now
Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction.
Director of Cybersecurity – National Security & Defense
Location: McLean, VA or Remote
Clearance: Ability to obtain and maintain Department of Homeland Security (DHS) suitability (Public Trust or higher); active clearance preferred
Citizenship: U.S. Citizen
Position Overview
Harmonia is seeking a Director of Cybersecurity and Subject Matter Expert (SME) for National Security and Defense to help shape, pursue, and deliver cybersecurity operations and Security Operations Center (SOC) capabilities across the Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD), and related agencies.
This is a senior leadership role for a trusted cybersecurity practitioner with deep experience in federal cyber defense programs, SOC operations, and Cybersecurity Service Provider (CSP) models. The Director will serve as a strategic partner to Harmonia’s Growth and Business Development teams, while also acting as an operationally credible advisor to customers, evaluators, and internal delivery teams.
The ideal candidate brings firsthand experience building, assessing, and operating enterprise cybersecurity programs, understands how federal components evaluate cyber maturity, and can translate that expertise into winning, compliant, and executable solutions.
Key Responsibilities
Growth, Capture, and Customer Engagement
- Partner closely with Business Development and Growth leadership to shape and pursue medium to large SOC, cyber defense, and adjacent cybersecurity services opportunities across DHS, DOJ, DoD, and related agencies.
- Establish and maintain trusted relationships with government cybersecurity leaders, program managers, and mission stakeholders to create strategic inroads and early visibility into emerging requirements.
- Support opportunity qualification and capture activities, including gate reviews, competitive assessments, and pursuit strategy development.
- Brief and advise C-suite and executive leadership on capture strategy, probability of win, investment decisions, and pursuit risk, providing data-driven and experience-based recommendations.
- Provide subject matter leadership during pre-Request for Proposal (RFP) shaping, helping Harmonia influence requirements through informed dialogue and solution credibility.
Solution Shaping and Proposal Involvement
- Lead or contribute to solution architecture and operational design for SOC, cyber defense, and Cybersecurity Service Provider (CSP) programs.
- Define win themes, customer pain points, discriminators, and value propositions grounded in real-world federal cyber operations.
- Actively support proposal development, including:
- Technical and management solution input
- Evaluation criteria mapping
- Compliance alignment with key federal cybersecurity mandates
- Pink Team, Red Team, and Gold Team reviews
- Ensure proposed solutions are compliant, compelling, and operationally credible, with clear execution paths post-award.
Cybersecurity Program and SME Leadership
- Serve as a senior cybersecurity Subject Matter Expert (SME) across Harmonia’s national security and defense portfolio.
- Provide expert guidance on:
- Security Operations Center (SOC) and cyber defense operations
- Cybersecurity Service Provider (CSP) operating and assessment models, including maturity, governance, and designation criteria
- Cybersecurity program assessments and continuous monitoring
- Authority to Operate (ATO) lifecycle support and sustainment
- Advise internal teams and government customers on governance frameworks, policy alignment, performance metrics, and enterprise cybersecurity maturity.
Required Qualifications
- Fifteen or more years of experience in federal cybersecurity, cyber defense, or SOC operations, with significant exposure to DHS, DOJ, DoD, or comparable national security organizations.
- Demonstrated experience leading, architecting, or assessing SOC and Cybersecurity Service Provider (CSP) programs within the Federal Government.
- Deep understanding of federal cybersecurity policy and compliance frameworks, including:
- Department of Homeland Security (DHS) 4300A policy
- National Institute of Standards and Technology (NIST) Special Publication 800-53
- National Institute of Standards and Technology (NIST) Cybersecurity Framework
- Federal Information Security Modernization Act (FISMA) and federal Authority to Operate (ATO) processes
- Proven ability to support capture and proposal efforts, including solutioning, win theme development, and evaluator-focused positioning.
- Experience briefing senior government and corporate executives on cybersecurity strategy, program risk, and investment tradeoffs.
- Strong written and verbal communication skills, with the ability to translate complex cyber concepts for technical and non-technical audiences.
- U.S. Citizenship required.
Desired Qualifications
- Prior experience assessing or auditing federal cybersecurity programs, Security Operations Centers, or Cybersecurity Service Providers.
- Experience supporting or leading multi-component or enterprise-wide cybersecurity initiatives.
- Familiarity with DHS, DOJ, and DoD cybersecurity governance and oversight models.
- Experience developing cybersecurity scoring models, maturity frameworks, or performance metrics.
- Background working with or alongside the Cybersecurity and Infrastructure Security Agency (CISA) or Department of Defense cyber organizations.
- Active or previously held federal security clearance.
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Here at Harmonia we are pleased to have been repeatedly recognized for our outstanding work culture, the innovative work we do, and the employees on our team who make a difference each day. Some of these recognitions include:
- Recognized as a Top 20 "Best Place to Work in Virginia"
- Recipient of Department of Labor's HireVets Gold Medallion
- Great Place to Work Certification for five years running
- A Virginia Chamber of Commerce Fantastic 50 company
- A Northern Virginia Technology Council Tech 100 company
- Inc. 5000 list of fastest growing companies for eleven years
- Two-time SBA SBIR Tibbett's Award winner
- Virginia Values Veterans (V3) Certification
We recognize that every bit of our success is the result of our teams of hard-working, motivated, and innovative professionals who are proud to call themselves part of the Harmonia family! In addition to competitive compensation, a family-focused culture, and a dynamic, productive work environment, we offer all full-time employees a variety of benefits including, but not limited to
- Traditional and HSA- eligible medical insurance plans
- 100% employer-paid dental and vision insurance options
- 100% employer-sponsored STD, LTD, and life insurance
- 5% 401(k) company matching
- Flexible-schedules and teleworking options
- Paid holidays and PTO Accrual Plans
- Paid Parental Leave
- Professional development and career growth opportunities
- Team and company-wide events, recognition, and appreciation-- and so much more!
Check out our , , and to find out a little more about who we are and if we are the right next step for your career!
Harmonia is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Harmonia does and will take affirmative action to employ and advance in employment individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and must be able to perform each essential duty and responsibility satisfactorily. Other duties in addition to those listed may be assigned as necessary to meet business needs. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you are in need of an accommodation, please contact .