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Precise Systems delivers integrated, mission-ready solutions that advance warfighter readiness and strengthen our nation’s most critical defense programs. Through the power of our combined capabilities, we provide deep expertise in Advanced Engineering; Digital Transformation; Electromagnetic Warfare; Interactive Training & Simulation; Physical Sciences Research; Platform Lifecycle Support; and Foreign Military Sales. Unified by decades of trusted performance and expanded through strategic growth, our team applies innovative technologies, engineering rigor, and customer-focused execution to solve complex challenges and accelerate mission success. Guided by our commitment to partnership, precision, and performance, we deliver the scalable solutions and technical excellence our customers depend on—today and into the future.

We are seeking an Information Systems Security Engineer (ISSE) to support our customer in Crane, Indiana. This position provides cybersecurity engineering support for tactical information systems, applications, networks, and platform systems supporting Expeditionary Electromagnetic Warfare Division efforts. The ISSE will support the engineering, documentation, assessment, and authorization activities required to establish and maintain compliant, operationally effective systems in accordance with DoD and Navy cybersecurity requirements. This role is ideal for a candidate who understands both the technical and procedural sides of cybersecurity. The successful candidate will help engineer and document security controls, support RMF package development and submission, assess vulnerabilities, manage POA&Ms, and sustain systems through authorization and continuous monitoring. The position requires strong judgment, initiative, organization, and the ability to operate effectively in a fast-paced environment with sensitive information and mission-critical systems.

This role requires in-person support. 

Duties:

• Provide cybersecurity engineering support for tactical information systems that are not owned by NSWC Crane or NMCI, including applications, networks, and platform systems.
• Develop, update, and maintain cybersecurity documentation required for the certification, accreditation, authorization, and sustainment of information systems. Core artifacts may include the System Security Plan (SSP), Risk Assessment Report (RAR), Security Assessment Plan (SAP), Security Assessment Report (SAR), POA&M, Incident Response Plan (IRP), Contingency Plan, SOPs, Remediation Plans, and Configuration Management Plan (CMP).
• Support the Risk Management Framework (RMF) process and demonstrate working knowledge of the RMF submission flow, including:
• System categorization and boundary definition 
• Security control selection and tailoring 
• Control implementation and technical evidence collection 
• Package development and submission for assessment 
• Support to security control assessment and adjudication 
• Development and maintenance of POA&Ms 
• Authorization package updates in support of ATO decisions
• Transition to continuous monitoring and reauthorization support as required.
• Perform technical efforts required for the certification, accreditation, and authorization of tactical systems, including vulnerability assessment using Tenable Nessus, SCAP Compliance Checker (SCC), STIG evaluation, and manual checklist development.
• Analyze system, network, database, cloud, and application security posture and recommend cost-effective safeguards and remediation strategies.
• Proactively create, monitor, and update POA&Ms to ensure identified weaknesses are tracked and resolved within required timelines.
• Assist with development and maintenance of the information system’s authorization to operate (ATO) and overall compliance posture.
• Maintain hardware and software inventories, support configuration management, and assess impacts of proposed changes to maintain security posture.
• Support incident response and contingency planning activities, including documentation updates and technical coordination.
• Ensure systems are maintained in DITPR-DON and that software applications are properly registered in DADMS, as applicable.
• Support continuous monitoring of vulnerabilities through patching, security updates, policy changes, mitigation development, and security status reporting to stakeholders.
• Participate in configuration control and change-review activities affecting cybersecurity posture, in coordination with program, engineering, and security personnel.

Desired Education:

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Computer Engineering, Information Systems, or a related technical field.

Desired Experience:

• 3+ years of information assurance, cybersecurity engineering, ISSO/ISSE, or related DoD cyber compliance experience.
• Experience supporting the Risk Management Framework (RMF) for DoD information systems.
• Experience developing or updating RMF/security authorization documentation such as SSP, RAR, SAP, SAR, POA&M, IRP, CP, SOPs, and CMPs.
• Working knowledge of FISMA, FIPS, NIST, DoDI 8510.01, DoDI 8500.01, and related cybersecurity guidance.
• Experience performing or supporting vulnerability scanning, STIG review, assessment, and remediation analysis.
• Familiarity with tools such as Tenable Nessus, SCC, and related assessment/compliance tooling.
• Ability to assess evolving threats, communicate technical risk clearly, and support practical remediation in an operational environment.
• Strong written and verbal communication skills and ability to work effectively with engineers, ISSOs, ISSMs, administrators, and Government stakeholders.

Preferred Qualifications:

• Current experience providing DoD ISSO/ISSE support in a Navy or tactical systems environment.
• Experience supporting systems hosted in cloud, Agile, or DevSecOps environments.
• Familiarity with DITPR-DON, DADMS, eMASS-equivalent workflows, and Navy authorization package routing.
• Experience supporting continuous monitoring, patch management, configuration management, and ATO sustainment activities.
• One or more of the following certifications:
• CISSP
• CASP+
• CISA
• CEH
• CISM

Must be able to obtain and maintain a Secret security clearance. Due to the sensitivity of customer related requirements, U.S. Citizenship is required.

Precise Systems is dedicated to a shared vision and core values of Integrity, Respect, and Responsibility, which foster innovation and drive our continued success in the global marketplace. Precise Systems and its subsidiaries are Equal Opportunity /Affirmative Action Employers. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, protected veteran status, status as an individual with a disability, or any legally protected status under federal, state, or local law. Visit www.GoPrecise.com for a listing of current openings and our comprehensive, employee friendly benefits summary.  Precise Systems participates in E-Verify.