Sr. UC Network Engineer- Secret - 174209

Piper Companies; Morrisville (NC); On-site; USD 130,000 - 175,000; Full time

Benefits offered by this job

Comprehensive benefits

PTO and paid holidays

Onsite work in RTP/Morrisville

Job summary

Piper Companies is seeking a Sr. ISSO-TS/SCI FS Poly for a cloud and technology company located in Morrisville, NC. The role will plan, manage, coordinate and provide support to A&A activities per ICD 503, NIST and CNSSI policies.

This onsite position requires strong RMF and security control expertise across diverse environments. Leading coordination with government security representatives, developers, and program managers, you will develop SSPs, POA&Ms, and continuous monitoring documentation

Qualifications

• Active TS/SCI clearance with Full Scope Polygraph; onsite in RTP/Morrisville on a weekly basis.
• Minimum 5 years as ISSO with DoD/IC security program experience.
• Strong knowledge of ICD 503, RMF, NIST standards and DoD cybersecurity requirements.

Responsibilities

• Serve as ISSO, coordinating with ISSM to ensure compliance across classified systems.
• Lead A&A activities per ICD 503, RMF, NIST, and CNSSI guidance throughout system lifecycles.
• Define security requirements and ensure controls are integrated into design and ops.
• Develop, maintain SSPs, security assessments, and authorization packages.
• Monitor security controls across multiple environments and drive remediation.
• Maintain CONMON, perform audits, vulnerability scans, and risk assessments.
• Act as liaison with government security reps and stakeholders during audits.

Skills

ISSO/ISSM coordination

RMF/ICD 503 knowledge

NIST 800-53 familiarity

Windows/Linux/Unix security

Security monitoring tools (Tenable/Spl

Education

Bachelor's degree in CS/IS or 5 years equivalent

Tools

EMASS

ServiceNow (SNOW)

DISA STIGs

Job description

Piper Companies is hiring a Sr. ISSO-TS/SCI FS Polyfor a Cloud and Technology company located in Morrisville, NC. The Sr. ISSO-TS/SCI FS Polywill plan, manage, coordinate and provide support to various programs to ensure that the completion of all Assessment and Authorization (A&A) activities per ICD 503, NISTs, CNSSI and other DoD and/or Intelligence Community policies.The Sr. ISSO-TS/SCI FS Poly role is an onsite position located in Morrisville, NC.

Responsibilities of the Sr. ISSO-TS/SCI FS Poly Include:

• Serve as the Information System Security Officer (ISSO), partnering with the Information Systems Security Manager (ISSM) to ensure compliance with Intelligence Community, Department of Defense, and federal cybersecurity requirements across classified information systems.
• Lead and coordinate Assessment and Authorization (A&A) activities throughout the system lifecycle in accordance with ICD 503, NIST, CNSSI, Risk Management Framework (RMF), and other applicable government security policies and directives.
• Collaborate with program managers and technical teams to define security requirements for new and existing information systems, ensuring security controls are incorporated into system design, implementation, and operational processes.
• Develop, maintain, and manage security documentation, including System Security Plans (SSPs), security assessments, authorization packages, compliance artifacts, and supporting records required for system accreditation and authorization.
• Monitor and evaluate technical security controls across Windows, Linux, Unix, cloud, and network environments to ensure ongoing compliance, identify vulnerabilities, and support remediation activities in accordance with established security standards.
• Maintain continuous monitoring (CONMON) activities for authorized systems by conducting security audits, vulnerability scans, compliance reviews, risk assessments, security briefings, and periodic updates to system security documentation.
• Serve as the primary security liaison with government security representatives, auditors, and stakeholders during authorization efforts, annual reviews, inspections, and compliance audits, ensuring all authorized systems remain compliant throughout their operational lifecycle.

Qualifications of the Sr. ISSO-TS/SCI FS Poly include:

• Active TS/SCI clearance with Full Scope Polygraph; ability to work onsite five days per week in Research Triangle Park (RTP) and travel periodically to other locations for 1-3 days as needed. Clearance originating from an Intelligence Community or Maryland-based customer environment is highly preferred.
• Bachelor's degree in computer information systems, Computer Science, or a related technical discipline, or an additional five years of relevant technical experience in lieu of a degree, with a minimum of 5 years of experience serving as an Information Systems Security Officer (ISSO).
• In-depth knowledge of Intelligence Community Directive (ICD) 503, NIST SP 800-53, Risk Management Framework (RMF), and DoD cybersecurity requirements, including compliance with DoD 8140 Manual Intermediate Foundational Qualification standards.
• Strong experience implementing and maintaining DISA Security Technical Implementation Guides (STIGs), managing system accreditation activities, maintaining Systems of Record such as EMASS and ServiceNow (SNOW), and developing, tracking, and submitting Plans of Action and Milestones (POA&Ms).
• Advanced knowledge of Windows, Unix, Linux, AWS, and enterprise system and network technologies, with the ability to assess security controls, identify vulnerabilities, and ensure compliance across complex operational environments.
• Hands-on experience with cybersecurity and compliance monitoring tools including Tenable Security Center, HBSS, Splunk, and related security technologies used to support continuous monitoring, vulnerability management, incident response, and audit readiness.
• Demonstrated leadership, supervisory, project management, and communication skills, including experience developing and presenting executive briefings, executing detailed implementation plans, working independently in customer-facing environments, and maintaining professional certifications such as CISSP, Security+, CASP, CCNA, or equivalent industry credentials.

Compensation for the Sr. ISSO-TS/SCI FS Poly include:

• $130,000-$175,000
• Full Comprehensive Benefits: Health, Vision, Dental, PTO, Paid Holiday and Sick Leave if Required by Law

Keywords: Sr. ISSO, information systems security officer, TS/FCI

#LI-EB1 #ONSITE

This job opens for applications on 9/10/26. Applications for this job will be accepted for at least 30 days from the posting date.