Cyber Systems Security Engineer Sr

Cyber Systems Security Engineer Sr. |
Gromelski & Associates, Inc.

Gromelski & Associates, Inc. partners with prime contractors to provide professional services. Key service areas include Engineering Design and Documentation;
Software Development and Testing;
System Integration, Testing and Evaluation;
Lab Management and Field Installation;
Integrated Logistics Support, Training Development and Delivery, Multimedia Support, and Technical System Support.

As a Cyber Systems Security Engineer Staff, you will take a leadership role in enhancing cybersecurity across SWFTS (Submarine Warfare Federated Tactical Systems). You’ll drive the development and integration of modern cyber solutions that protect and empower critical Department of Defense (DoD) assets.

We are looking for an experienced cybersecurity engineer with strong technical depth and a leadership mindset. Someone who thrives in fast‑paced environments and is passionate about defending against evolving threats. The candidate will balance innovation with pragmatism and understand the importance of aligning security with mission success.

• 9+ years of related experience
• Minimum of 7+ years of relevant cyber security, systems and/or software engineering experience.
• Information Assurance Technician (IAT) Level II. Certification or higher (e.g., CompTIA Security+ or CISSP).
• Proficiency in customer requirements.
• Proficiency in Risk Management Framework Assessment & Authorization Package Development.
• Knowledge of System Security related governance, e.g., Security Technical Implementation Guide (STIG) or Horizontal Protection Guide (HPG).
• Familiarity with DISA STIGs and how they are used to strengthen the system security posture.
• Proficiency with security concepts, models and methods, e.g., zero trust architecture and maturity model, multi‑factor authentication.

• Designing, implementing, and maintaining security controls to protect system confidentiality, integrity, and availability.
• Leverage guidance from Risk Management Framework (RMF), Security Requirements Guides (SRG), and Security Technical Implementation Guides (STIG) to advance cyber controls in a system security architecture.
• Integrating secure configuration tools and processes for Linux and Windows environments.
• Performing security assessments and validating configurations through automated testing and tailored solutions.
• Collaborating across teams on secure system and network design that balances mission goals and cyber protection.
• Leading technical meetings, translating security requirements into actionable engineering tasks, and mentoring team members.

• Information Assurance Technician (IAT) Level II certification or higher (e.g., CompTIA Security+, CISSP).
• Expertise in RMF and cyber resilience strategies using NIST 800‑53 controls.
• Familiarity with zero trust architecture and advanced authentication methods.
• Strong communication and leadership skills to engage internal teams and external stakeholders.

• Experience with cloud security and containerized environments.
• Led successful security integrations.
• Managed Agile teams using JIRA for sprint planning and progress tracking.
• Knowledge of containers and securing the infrastructure through the cloud.
• Experience bringing projects to successful sell‑off and integration.
• Experience utilizing JIRA in an Agile framework to manage team workload.

• Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, or related engineering or IT field with 5+ years of relevant experience or Master’s degree and 3+ years of relevant cyber experience.
• Able to obtain and maintain a DoD Secret Level Clearance which requires U.S. citizenship. We will help you obtain it if hired.
• Ability to communicate and work effectively with internal members and external customers.

Manassas, VA (Relocation Assistance Available)

Full‑Time Employee, 40 hours/week

Part‑time Remote Telework:
The employee selected for this position will work part of their work schedule remotely and part at a facility in Manassas, VA. The specific weekly schedule will be discussed during the hiring process.

We offer a competitive benefit package.

Negotiable

Negotiable

If you need an accommodation, please contact Sarah Gromelski via email at

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