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SYSTEM HIGH CORPORATION

Provides specialized security engineering and protection for national security missions.

cybersecuritydefense

systemhigh.com ↗

Company facts

Founded: 2005
Employees: 350
Headquarters: United States
Type: Private
Funding: Corporate Round · 2025
Subsidiaries: ManageYOURiD

46 jobs

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46 jobs Posted Sort

SYSTEM HIGH CORPORATION

Security Control Assessor (SCA) II

NewBe an early applicant North America

A Security Control Assessor who evaluates the effectiveness of management, operational, and technical security controls on information systems under RMF/JSIG, writes Security Assessment Reports and POA&Ms, and advises Authorizing Officials on authorization decisions across SAP, SCI, and Collateral programs. Requires an active TS/SCI clearance with SAP experience; based in Crystal City, VA.

Cybersecurity SAP SDLC TypeScript

SYSTEM HIGH CORPORATION

PERSEC Security Specialist- Jr

NewBe an early applicant North AmericaContractJunior

A junior personnel security (PERSEC) specialist supporting DoD/Intelligence Community security operations at the Joint Staff JPO in Arlington, VA. Day to day: processing clearances and security files (DISS), insider threat coordination, visitor and facility access management, COMSEC, courier duties, and security training.

SYSTEM HIGH CORPORATION

Sr. Physical Security Specialist

NewBe an early applicant North AmericaContractSenior

Senior physical security specialist ensuring SCIF/SAPF accreditation and compliance for DoD/SCO facilities. Day to day: site security inspections, preparing Fixed Facility Checklists and accreditation packages, risk management surveys, and executive briefings, applying standards like ICD 705, DoDM 5205.07, and TEMPEST guidance, with up to 20% CONUS/OCONUS travel.

SYSTEM HIGH CORPORATION

Program Security Representative III

New North AmericaContract

A Program Security Representative III provides day-to-day multi-discipline security support for government Special Access Programs (SAPs), covering Collateral, SCI, and SAP activities — policy compliance, facility reviews, OPSEC, briefings, and incident investigations. Requires an active TS/SCI clearance and at least two years of SAP experience.

SYSTEM HIGH CORPORATION

Client/Server Network Architect-Senior

New North AmericaSenior

Senior network architect at System High Corporation, designing and developing client/server environments supporting classified national security missions (SAP, SCI, Collateral) in San Antonio, TX. Day to day: network integration and consolidation, architecture and engineering design, technology evaluation, network modeling, and setting relational database standards (SQL, Oracle, Sybase).

SYSTEM HIGH CORPORATION

Special Security Representatives (SSR), Specialist III

New North America

Supports Defense Special Security System operations by protecting SCI, managing SCIF physical security, and handling personnel clearances. Responsibilities include database management (DISS, Scattered Castles), security training, incident response, and compliance reporting.

Intrusion Detection SharePoint SSO

SYSTEM HIGH CORPORATION

Personnel Security Specialist

New North America

Provide personnel security support for Special Access Program Facilities, including managing security databases, tracking clearances, and processing access requests in compliance with NISPOM and DOD regulations.

SYSTEM HIGH CORPORATION

Security Control Assessor (SCA) I

New North America

Conducts security control assessments using RMF/JSIG for SAP/SCI/Collateral programs. Prepares SARs and POA&Ms, advises on authorization, and ensures compliance with DoD standards.

Cybersecurity SAP SDLC

SYSTEM HIGH CORPORATION

Billing/Finance Analyst

North AmericaContract

Position Overview System High Corporation delivers the most advanced protection and secrecy solutions to secure and strengthen critical missions, programs, operations, and intelligence activities. We are seeking a…

SYSTEM HIGH CORPORATION

Senior Security Specialist (DOD/SCI)

North AmericaSenior

Oversee DoD/SCI security programs, ensure compliance with classified handling policies, and manage physical/personnel security for a government contractor supporting national missions.

Cybersecurity SAP TypeScript

SYSTEM HIGH CORPORATION

COMSEC Manager I

At System High Corporation—a Top Washington-Area Workplace (The Washington Post, 2023–2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star Employer—we protect and…

SYSTEM HIGH CORPORATION

Network/System Administrator II

MENA, North America

Network/System Administrator II managing and supporting LANs, WANs, and data communication systems for DoD SAP/SCI programs, using Windows Server, Red Hat Linux, VMware/Hyper-V, SIEM tools, and network security platforms.

Cybersecurity Firewall Hyper-V Iis Intrusion Detection +14 skills

SYSTEM HIGH CORPORATION

Information Systems Security Officer II (ISSO II)

Open 18d North America

The Information Systems Security Officer (ISSO) manages the day-to-day security operations for DoD information systems, including physical security, incident handling, and maintaining authorization documentation. The role requires active TS/SCI clearance and experience working within Special Access Programs (SAPs).

Firmware Networking SAP TypeScript

SYSTEM HIGH CORPORATION

Security Administrator

Open 19d North America

Provide administrative security support for DARPA, managing access control, classified materials, and security documentation while maintaining compliance with DoD protocols.

SYSTEM HIGH CORPORATION

Security Control Assessor (SCA)

Open 20d North America

The Security Control Assessor performs cybersecurity functions including system administration, enterprise oversight, certification and accreditation, and ensuring compliance with DoD and DARPA security standards for classified information systems.

Authentication Cybersecurity Dfars Firmware Network Security +3 skills

SYSTEM HIGH CORPORATION

Senior Physical Security Specialist (Analyst IV)

Open 20d North AmericaSenior

Oversee physical security for missile defense systems, ensuring compliance with DoD policies and conducting site surveys to protect facilities and sensitive data.

SYSTEM HIGH CORPORATION

Information Systems Security Officer III (ISSO III)

Open 25d MENA, North AmericaContract

*This position requires a TS/SCI Clearance and a minimum of two years of Special Access Program Experience* At System High Corporation—a Top Washington-Area Workplace (The Washington Post, 2023–2025), a Top Workplaces…

Firmware Networking SAP TypeScript

SYSTEM HIGH CORPORATION

Physical Security Specialist (Senior)

Open 26d North AmericaContractSenior

Senior Physical Security Specialist ensures DoD/IC compliance, manages secure facility accreditation, and oversees anti-terrorism measures, access control, and alarm systems for critical government programs.

System High Corporation

SSI Analyst III with Security Clearance

Open 27d Worldwide

Develops and administers security training programs for DoD Security Specialists, updating career guides and position requirements for the 0080 occupational series.

SYSTEM HIGH CORPORATION

Physical Security Specialist Analyst III

Open 27d North America

Protects sensitive defense systems and facilities by analyzing threats, drafting security plans, and enforcing DoD policies for access control and emergency response.