Information System Security Engineer (ISSE) (Cybersecurity)

Location: On-site at 540 National Business Parkway, Annapolis Junction, Maryland, United States. Minimal travel and standard working hours.

Basic compensation: $110,000–$140,000 annually; the stated range applies to Washington, DC only. Additional compensation may include bonuses, incentives, sign-on payments, or relocation benefits.

Company

hirify.global delivers engineering, advanced technology, mission IT, cybersecurity, logistics, science, and program management solutions to intelligence and national security customers.

What you will do

• Design, develop, implement, and integrate secure DoD information assurance architectures, systems, and system components.
• Apply NIST RMF, DoD STIGs, CIS benchmarks, FedRAMP, Common Criteria, and organizational security policies across the system development lifecycle.
• Manage vulnerability identification and remediation using Tenable Nessus, ACAS, Qualys, and secure configuration baselines.
• Integrate security controls into Windows and Linux servers, cloud and virtualization platforms, Kubernetes, and containerized applications.
• Monitor cyber events using Splunk Enterprise, analyze logs and endpoint telemetry, and support incident response and forensic investigations.
• Develop automation scripts, technical documentation, architecture diagrams, SOPs, risk reports, and accreditation materials.

Requirements

• Active Top Secret clearance with SCI is required.
• DoD 8570.1-M/8140 IAT Level III certification is required, such as SecurityX (CASP), GCIH, CISA, or CISSP.
• Strong networking, firewall, VPN, AWS/Azure cloud security, Kubernetes, and DevSecOps experience.
• Deep knowledge of NIST SP 800-161, NIST RMF, FedRAMP, Common Criteria, ATO package development, and STIG-based compliance.
• Hands-on experience with Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Windows Server, Red Hat Enterprise Linux, and Ubuntu Linux.
• Experience with PowerShell, Python, Bash, Ansible, project leadership, mentoring junior ISSEs, and presenting technical briefings to leadership.

Culture & Benefits

• Collaborative and intellectually stimulating engineering environment.
• Work focused on national security, defense systems, mission IT, and cybersecurity.
• Minimal travel with standard working hours.
• Potential bonuses, commissions, sign-on payments, relocation benefits, and short- or long-term incentives depending on policy and designation.
• People-first workplace guided by a Zero Harm culture and a Belong, Connect, and Grow philosophy.