Cyber Systems Engineer

Responsibilities

Join Peraton's Mission-Driven Team at Mayport, Jacksonville, FL

Cyber Systems Engineer – Supporting National Defense & Homeland Security

Are you a transitioning Navy professional or veteran ready to apply your mission-critical experience to the cyber domain? Peraton is seeking dedicated individuals to support engineering efforts in Cyber Situational Awareness (SA), Cyber Command and Control (C2), Mission Assurance, and Homeland Defense. This is a hands-on, on-site role at our Mayport location in Jacksonville, FL—ideal for those who thrive in operational environments and want to continue serving the nation through cutting-edge technology.

Your Mission as a Cyber Systems Engineer:

You'll bring your operational discipline and technical acumen to a team focused on:

• Delivering Agile software engineering within a DevSecOps framework
• Designing and managing secure cloud architectures
• Supporting cybersecurity operations aligned with the Risk Management Framework (RMF)
• Rapidly developing, testing, deploying, and maintaining cyber defense capabilities

Your Responsibilities Will Include:

• Providing Information Assurance services to safeguard critical networks and systems
• Translating mission requirements into secure, compliant technical solutions
• Preparing RMF documentation and test plans to support system accreditation
• Conducting risk and vulnerability assessments to identify and mitigate threats
• Auditing security programs and recommending enhancements to close compliance gaps
• Developing and integrating cybersecurity tools to strengthen system defenses
• Supporting incident investigations and implementing risk mitigation strategies
• Advising on security architecture to meet evolving federal and DoW requirements

Why Peraton?

As the prime contractor on this Navy program, Peraton offers you the chance to continue your service in a new capacity—protecting national interests through cyber operations. We value your leadership, discipline, and commitment to mission success. If you're ready to transition your skills into a high-impact civilian role, we're ready to welcome you aboard.

Qualifications

Basic Qualifications:

• Experience:
  • At least 2 years of relevant experience with a BS/BA degree, or 6 years of hands-on experience in lieu of a degree
  • Minimum 2 years of cybersecurity experience specifically supporting Risk Management Framework (RMF) tasks
• Certifications:
  • Must hold a DoD certification at the Basic 541 level, or an equivalent IAT Level II certification (e.g., Security+, CCNA Security)
  • Must obtain an IAT Level III Certification within 6 months of starting.
• Technical Skills:
  • Proven experience implementing Security Technical Implementation Guides (STIGs)
  • Skilled in conducting vulnerability assessments using the Assured Compliance Assessment Solution (ACAS)
  • Demonstrated ability to remediate findings, including applying vendor patches across both Linux and Windows environments
• Willingness to travel within the continental U.S. up to 25%
• Active Secret clearance required
• U.S. Citizenship required
• Current U.S. Passport or ability to obtain prior to start date.

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit to learn how we're keeping people around the world safe and secure.

Target Salary Range$80,000 - $128,000. 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.
EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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