Information Security Systems Engineer (ISSE)

Peraton

$146K — $234K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • TS/SCI with relevant polygraph security clearance
  • Bachelor's degree with 12+ years of experience, or Master's with 10+ years; 4 years of experience may substitute for a degree
  • 3+ years of hands-on experience in information systems security or cybersecurity roles
  • Familiarity with security frameworks (NIST, ISO, CIS)
  • Experience with key security technologies such as firewalls, SIEM, IAM, and encryption
  • Proficient in securing Windows, Linux, networks, and cloud environments (AWS, Azure)

Responsibilities

  • Evaluate and enhance security measures across various infrastructures and applications
  • Conduct risk and vulnerability assessments to identify and mitigate potential security threats
  • Maintain comprehensive documentation of security policies, procedures, and system security plans
  • Work with cross-functional teams to integrate security in DevSecOps processes
  • Assess emerging security threats and recommend enhancements to security strategies
  • Provide security training and insights to both technical and non-technical personnel
  • Support continuous monitoring and improvement of overall security posture

Benefits

  • Support for continuous professional development and training
  • Access to advanced security tools and technologies
  • Flexible work arrangements
  • Collaborative team environment
  • Opportunities for career advancement within the organization
Full Job Description
Responsibilities

Position Summary

The Information System Security Engineer is responsible for designing, implementing, maintaining, and continuously improving the security posture of the organization’s information systems, networks, applications, and data. This role ensures compliance with Customer security frameworks, regulations, and industry best practices while proactively identifying and mitigating risks to protect information assets.

 

Responsibilities

  • Evaluate, maintain, and improve security controls, architectures, and solutions across systems, networks, endpoints, AWS cloud environments, and applications.
  • Perform risk assessments and vulnerability assessments based on controls, security architecture reviews.
  • Document and maintain cybersecurity environment, standards, procedures, and system security plans.
  • Collaborate with IT, engineering, development, and business teams to embed security into system design, development, and operational processes (DevSecOps practices).
  • Evaluate emerging threats, technologies, and security solutions; recommend improvements to the security program.
  • Provide security guidance and awareness support to technical and nontechnical stakeholders.
  • Support continuous monitoring, metrics reporting, and security posture improvement initiatives.
Qualifications

Required

  • TS/SCI with relevant polygraph
  • BA/BS and 12+ years of experience; Masters and 10+ years of experience; an additional four years of experience may be considered in lieu of degree.
  • At least 3 years of hands-on experience in information systems security, cybersecurity engineering, or related roles in the customer environment as an ISSE.
  • Working knowledge of security frameworks and standards (NIST SP 80053, NIST Cybersecurity Framework, ISO 27001, CIS Controls, etc.).
  • Experience with security technologies such as firewalls, SIEM platforms, vulnerability management tools, endpoint protection, identity and access management (IAM), encryption, and network security controls.
  • Proficiency in assessing and securing operating systems (Windows, Linux), networks, cloud environments (AWS, Azure, or GCP), and applications.

 

Preferred Qualifications

  • Bachelor’s degree in Computer Science, Information Security, Cybersecurity, Information Systems, or a related field (or equivalent practical experience).
  • Relevant industry certifications such as CISSP, CISM, CompTIA Security+, CEH, GIAC certifications (GSEC, GCIA, GCIH, etc.), or cloud security certifications (CCSP, AWS Security Specialty, Azure Security Engineer, etc.).
  • Agile software development cycle including the ability to use Jira.
  • Hands-on experience with scripting or automation (Python, PowerShell, Bash) for security tooling and processes.
  • Prior experience supporting compliance audits or regulatory frameworks relevant to the organization.
  • Experience in incident response, forensic analysis, or security operations center (SOC) environments.
  • Knowledge of zero trust architecture principles and modern identity/security architectures.
Target Salary Range$146,000 - $234,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

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