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Mantis Security

Cybersecurity consulting and zero-trust architecture services

Information Systems Security Engineer

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeReston, VA, USANo salary listedIn-person

About the Job

Requirements

  • Must be a U.S. citizen.
  • Eight years of relevant experience and a bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university are required. A master's degree in those fields may substitute for two years of additional experience; four additional years of ISSE experience may substitute for a bachelor's degree.
  • DoD 8570 compliance with IASAE Level 3 is required.
  • Three years of experience in scripting languages, Linux/Red Hat, and/or networking appliances are required.
  • Information Systems Security Engineering Professional (ISSEP) and CISSP certifications are required.
  • An active TS/SCI security clearance and the ability to obtain a polygraph are required.

Responsibilities

  • Develop and implement security designs to ensure hardware, operating systems, and software applications adequately address cybersecurity requirements and the Security Controls Traceability Matrix.
  • Identify vulnerabilities and non-compliance with Information Assurance standards and regulations, and recommend mitigation strategies.
  • Implement and validate Security Technical Implementation Guide requirements and/or perform Security Requirements Guide assessments for development and implementation projects.
  • Develop, customize, and configure Splunk applications and dashboards.
  • Develop Security Test Procedures, conduct self-assessments to verify compliance with configuration guidance, and support assessment and authorization testing and validation of security designs.
  • Conduct risk analysis by reviewing ACAS, CVEs, plugins, and CWEs; collaborate with system administrators to mitigate vulnerabilities and author Plans of Action and Milestones as needed.
  • Execute continuous monitoring, respond to data calls and scan requests, and produce weekly and monthly security metrics reports.
  • Validate that control implementations enforce required data access and network flow restrictions in alignment with the continuous monitoring strategy.
  • Participate in Agile planning events and provide technical input.
  • Support government activities and reporting to appropriate Intelligence Community and Department of Defense authorities, including USCYBERCOM and IC-SCC.
  • Support security authorization activities in compliance with the customer Information System Certification and Accreditation Process, the NIST Risk Management Framework, CNSSI No. 1243, and other prescribed security engineering processes.
  • Assist architects and systems developers in identifying and implementing information security functionality to ensure uniform application of agency security policy and enterprise solutions.
  • Apply system security engineering expertise in areas including the system security design process, engineering lifecycle, information domain, cross-domain solutions, commercial and government off-the-shelf cryptography, identification, authentication and authorization, system integration, risk management, intrusion detection, contingency planning, incident handling, configuration control, change management, auditing, certification and accreditation, Information Assurance principles, and security testing.

Desired Qualifications

  • Demonstrated skill implementing mitigation strategies, resolving problems, and retesting or reevaluating systems.
  • Experience implementing DISA Security Technical Implementation Guides and using Security Content Automation Protocol tools.
  • Working knowledge of server administration and system and application security threats and vulnerabilities.
  • Experience extending existing applications in security, monitoring, task automation, continuous integration, deployment, and performance optimization.
  • Experience writing scripting or programming projects using Shell scripting, Python, JavaScript, or PowerShell in a Linux or Windows environment to support cybersecurity tools and applications.
  • Ability to provide guidance on vulnerability and malware remediation.
  • Experience analyzing vulnerabilities, establishing cause and impact, and identifying corrective actions to eliminate and prevent recurrence.

About the Company

Mantis Security

Cybersecurity consulting and zero-trust architecture services

Mantis Security provides cybersecurity consulting for government and regulated industries, protecting information across the system lifecycle. Its offerings include C-level consulting, Zero Trust design, RMF/FISMA support, security architecture and engineering, IT security automation with Infrastructure as Code, and advanced cloud engineering for AWS in government and DoD/IC regions, plus cyber data science to analyze telemetry and speed decision-making. The company differentiates itself through veteran leadership with direct IC and DoD experience, a SDVOSB status, and a strong emphasis on RMF/FISMA, government cloud, and cyber operations support. Its goal is to help clients achieve secure, compliant, and efficient cyber operations that reduce risk and accelerate mission readiness.

Company size
11-50
Company stage
Not listed
Total funding
Not listed
Headquarters
Sarasota, FL
Founded
2015

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