Security Lead

Title: Security Lead

Clearance Required: Top Secret Required with SCI eligibility

Location: Stevensville, MD

Travel: 25% OCONUS

Halcyon Days Consulting, LLC (HDC) is a veteran small business specializing in the design and engineering of Tactical Mission Networks (TMN). This is a unique opportunity to join a small, high-performing team committed to delivering cloud platforms for exciting missions.

As Security Lead, you will oversee the full security lifecycle for information systems, guiding risk assessments, certification and accreditation, compliance with DoD/IC regulations, and ensuring continuous security posture at both customer sites and internal operations.

• Engage with leadership and clients to coordinate security architecture, policy compliance, and remediation strategies.
• Lead security exercises, readiness reviews, and tabletop drills.
• Implement and enforce cybersecurity policies, standards, and procedures in compliance with RMF, DoD, and IC guidelines.
• Evaluate and manage security configurations for systems, software, and hardware, including patching, scanning, and vulnerability remediation.
• Monitor, respond to, and document cyber threats, IAVAs, and security incidents across enterprise environments.
• Administer access controls and authentication mechanisms while ensuring continuous improvement in information assurance practices.

• Minimum 10 years of cyber/information security experience.
• Bachelor's Degree in Computer Science, Cybersecurity, or related field preferred.
• Demonstrated technical proficiency in RMF process, A&A toolsets, and secure system operations.
• Proficiency in threat and vulnerability management.

• Certifications such as CISSP, CISM, or IAM II.
• Experience managing accreditation packages for cross-domain solutions, cloud environments, or tactical systems.
• Excellent communication skills for interfacing with clients and leadership on security posture and risk.

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This salary range is an hourly exempt (exempt from overtime) position. Benefits are provided in addition to salary range.

• Health Care - 100% employer-paid medical, dental, and vision for the employee and dependents.
• 401k - Employer contributed 3% Safe Harbor (contributed on your behalf even if you do not contribute), with up to 5% employer match, and 100% vested from hire.
• PTO/Holidays - 160 hours of PTO/Sick leave per year, 11 paid holidays per year.
• Tuition Assistance - Up to $5,250 per year.

Halcyon Days Consulting, LLC provides equal employment opportunities to all employees and applicants, prohibiting discrimination or harassment of any kind based on race, color, religion, age, sex, national origin, disability, genetics, pregnancy, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by law. This policy applies to all employment terms including recruiting, hiring, promotion, termination, layoffs, transfers, leaves, compensation, and training.