Senior Information Systems Security Engineer (ISSE)

Amatriot Group, LLC; Glen Burnie (MD); On-site; USD 150,000 - 210,000; Full time

Job summary

Amatriot Group, LLC is seeking a Senior Information Systems Security Engineer in Annapolis Junction, MD. You will design and maintain enterprise security architecture aligned with NIST RMF, DoD STIGs, and CIS benchmarks to protect systems across development and operations.

The role requires hands-on security engineering across the lifecycle, vulnerability management, and incident response. Candidates will work with Windows, Linux, cloud, and containerized environments to ensure secure, compliant

Qualifications

• Strong background in enterprise security architecture and design.
• Experience with RMF DoD STIGs, CIS benchmarks, and NIST standards.
• Hands-on vulnerability management using Nessus/Qualys.
• Incident response and threat detection across networks and endpoints.

Responsibilities

• Design, implement, and maintain enterprise security architecture.
• Perform security engineering across the system development lifecycle.
• Integrate cybersecurity requirements into server, cloud, and container environments.
• Develop and implement security testing, accreditation support, and risk assessments.

Skills

Security Architecture

RMF/STIGs

Vulnerability Management

Incident Response

Scripting

Cloud Security

Job description

Location Annapolis Junction MD Security Clearance Active TSSCI Required Job Type Full Time Target Salary Range 150000 210000 This represents the potential salary range for this position depending on education level years of experience andor certifications in addition to other position specific requirements which may impact salary

Position Overview

Senior Information Systems Security Engineer designs implements and maintains enterprise security architecture aligned with NIST RMF DoD STIGs CIS benchmarks and organizational cybersecurity policies This role performs security engineering across the system development lifecycle supports vulnerability management integrates cybersecurity requirements across enterprise environments and ensures development and operational systems are functional and secure

Key Responsibilities

Security Architecture and Engineering

• Design implement and maintain enterprise security architecture aligned with NIST RMF DoD STIGs CIS benchmarks and organizational cybersecurity policies
• Perform security engineering activities across the system development lifecycle including requirements analysis system design reviews security testing and accreditation support
• Integrate cybersecurity requirements into Windows and Linux server environments cloud infrastructure virtualization platforms and containerized applications
• Responsible for the design development implementation and integration of DoD IA architectures systems or system components for use within computing network and enclave environments
• Ensure the architecture and design of development and operational systems are functional and secure
• Support designs for program of record systems and special purpose processing nodes with platform IT interconnectivity

Vulnerability Management and Compliance

• Implement vulnerability management processes using Tenable Nessus ACAS and Qualys to identify assess and remediate system vulnerabilities
• Collaborate with system administrators network engineers ISSOs and application teams to remediate security findings and implement secure configuration baselines
• Perform security impact analysis for system changes software deployments and infrastructure upgrades to ensure continued compliance and operational security
• Determine security requirements by evaluating business strategies and requirements researching information security standards conducting system security and vulnerability analyses and risk assessments studying architecture and platforms identifying integration issues and preparing cost estimates
• Establish a framework by which cyber risk can be measured and quantified in the marketplace

Security Monitoring Incident Response and Threat Detection

• Support incident response and forensic investigations by analyzing security logs SIEM alerts network traffic and endpoint telemetry using Splunk Enterprise
• Monitor analyze and detect cyber events and incidents within information systems and networks under general supervision
• Assist with integrated dynamic cyber defense
• Coordinate and maintain security toolsets to support continuous monitoring and ongoing authorization programs
• Evaluate and implement cybersecurity tools and technologies to improve system security posture continuous monitoring and threat detection capabilities

Security Tools Automation and Endpoint Protection

• Develop automation scripts using PowerShell Bash and Python to streamline vulnerability remediation account auditing compliance reporting and security monitoring tasks
• Engineer endpoint protection and hardening solutions using Trellix ePO On Prem host based firewalls and application whitelisting technologies
• Implement security systems by specifying intrusion detection methodologies and equipment directing equipment and software installation and calibration preparing preventive and reactive measures creating transmitting and maintaining keys providing technical support and completing documentation
• Verify security systems by developing and implementing test scripts
• Administer configure and troubleshoot CyberArk core modules including Enterprise Password Vault Password Vault Web Access Central Policy Manager and Privileged Session Manager

Documentation Training and Technical Leadership

• Produce technical security documentation architecture diagrams standard operating procedures and executive level risk assessment reports
• Maintain security by monitoring and ensuring compliance with standards policies and procedures
• Conduct incident response analyses
• Develop and conduct training programs
• Present technical briefings to leadership

Qualifications

Experience

• Strong background in networking including TCPIP firewalls and VPNs
• Strong background in cloud security including AWS and Azure
• Strong background in Kubernetes and DevSecOps
• Deep understanding of NIST SP 800 161 NIST RMF FedRAMP Common Criteria ATO package development and cybersecurity compliance including STIGs
• Hands on experience managing and deploying Tenable Nessus CyberArk Trellix Splunk Enterprise VMware vSphere GitLab Microsoft Windows Server Red Hat Enterprise Linux and Ubuntu Linux
• Experience with scripting and automation using PowerShell Python Bash and Ansible
• Proven experience leading projects and mentoring junior ISSEs

Skills

• Ability to design implement and maintain enterprise security architecture
• Ability to perform security engineering across the system development lifecycle
• Ability to integrate cybersecurity requirements across server cloud virtualization and containerized environments
• Ability to perform security impact analysis for system changes software deployments and infrastructure upgrades
• Ability to produce technical security documentation architecture diagrams standard operating procedures and executive level risk assessment reports
• Ability to present technical briefings to leadership

Certifications

DoD 85701 M DoD 8140 IAT Level III certification such as SecurityX GCIH CISA or CISSP Required