Information Systems Security Engineer; ISSE

Information Systems Security Engineer (ISSE)

Job Title: Information Systems Security Engineer

Job Location: Warrenton, VA (relocation paid)

Job Type: Full time, permanent

Salary: $110,000 – $170,000

We are seeking an experienced Information Systems Security Engineer to ensure the security and integrity of our organization’s information systems by providing a specialized focus on digital systems accreditation for Department of Defense (DoD) and Intelligence Community (IC) systems and applications. Our portfolio of software‑defined systems aims to deliver cutting‑edge software solutions that will empower global networked operations from hand‑held radios to strategic command and control systems.

The ideal candidate will bring a solid understanding and hands‑on experience with the Risk Management Framework (RMF) process, coupled with expertise in securing architecture designs that seamlessly integrate data from edge devices and cloud environments, orchestrate data flows, and federate information to users across multiple global sites.

• Develop and implement security architectures for information systems.
• Ensure that security designs align with organizational goals, compliance requirements, and industry best practices.
• Conduct risk assessments to identify vulnerabilities and recommend mitigation strategies.
• Design and integrate security controls into system development life cycles (SDLC).
• Collaborate with software developers, network engineers, and system administrators to ensure secure system configurations.
• Implement encryption, firewalls, and other security technologies.
• Ensure systems comply with relevant security standards, such as NIST, ISO 27001, or FISMA.
• Prepare documentation for security certifications and audits.
• Monitor systems for compliance with organizational policies and regulatory requirements.
• Develop and maintain security documentation including but not limited to Standard Operating Procedures (SOPs), Plans of Action and Milestones (POA&Ms), and Configuration Management documentation.
• Lead remediation activities to address findings for security audits and vulnerability assessments in accordance with Information Assurance Vulnerability Management (IAVM) best practices. Orchestrate and/or support vulnerability assessments.
• Work closely with stakeholders, including IT teams, management, and external vendors, to ensure security measures are effective.
• Support cross-functional teams during security compliance assessments (e.g., CMMC, DCSA).
• Communicate security risks and strategies to non-technical audiences.

• Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field.
• 6+ years of experience in cybersecurity or information assurance roles.
• Strong analytical and problem-solving skills.
• Strong understanding of RMF, NIST 800-53, and system security engineering principles.
• Hands‑on experience with security tools such as ACAS, Nessus, SCC, Splunk, etc.
• Knowledge of system hardening encryption, access control, and network security.
• Excellent communication and presentation skills for engaging with customers and internal teams.
• Strong understanding of DoD standards and compliance requirements.
• Relevant certification(s): CISSP, CASP+, CEH, Security+, or other DoD 8140 related.
• Active Top-Secret Clearance with SCI eligibility (US citizenship required)
• If you do not possess an active U.S. Top-Secret Security Clearance, we will not respond to your application

• 10+ years of experience in cybersecurity or information assurance roles.
• Master’s degree in Computer Science, Information Technology, Cybersecurity, or a related field.
• Experience with Kubernetes and container architectures.
• Previous experience in a customer‑facing or consulting role.

• Industry leading benefits
• 25% Profit Sharing Plan
• Employer paid STD, LTD, Life, and AD&D
• Company sponsored group medical, dental, and vision insurance plans
• Individual Benefit Account – This account is used to pay for:
• Paid time off, medical, dental, and vision insurance premiums
• Flexible Hours
• Hybrid in‑office / work from home environment
• Performance based annual bonus