Information Systems Security Officer

Annapolis Junction, MD

Job Description

We are seeking a ISSO I for a funded role to provide support for a program, organization, system, or enclave's information assurance program. Providing support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintaining operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed. Assisting with the management of security aspects of the information system and performs day-to-day security operations of the system. Evaluating security solutions to ensure they meet security requirements for processing classified information. Performing vulnerability/risk assessment analysis to support certification and accreditation. Provides configuration management (CM) for information system security software, hardware, and firmware. Manages changes to system and assesses the security impact of those changes. Preparing and reviewing documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Supporting security authorization activities in compliance with National Institute of Standards and Technology Risk Management Framework (NIST RMF).

Position requires an active TS/SCI with polygraph level clearance. US citizenship is required.

Required Skills:

Ability to:

  • Provide support to senior ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies

  • Assist with preparation and maintenance of documentation

  • Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information

  • Assist with the CM for information system security software, hardware, and firmware

  • Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades

  • Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies

  • Develop and maintain documentation for C&A in accordance with ODNI and DoD policies

  • Develop system security policy and ensures compliance

  • Evaluate security solutions to ensure they meet security requirements for processing classified information

  • Maintain operational security posture for an information system or program

  • Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave

  • Develop and update the system security plan and other IA documentation

  • Assist with the management of security aspects of the information system and perform day-to- day security operations of the system

  • Administer the user identification and authentication mechanism of the Information System (IS)

Qualifications: Bachelor's degree in a technical discipline and five (5) years of ISSO experience or nine (9) years' experience in lieu of degree.

IAT level I baseline certification as defined by DoD 8570.01-M is required.

BENEFITS

OST is an Equal Opportunity Employer and has been operating since 1996 providing support on various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.

VEVRAA Federal Contractor.
We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.

PDN-a1ae1c35-a403-4d9b-9f80-dcd458fc7435

We are seeking a ISSO I for a funded role to provide support for a program, organization, system, or enclave's information assurance program. Providing support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintaining operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed. Assisting with the management of security aspects of the information system and performs day-to-day security operations of the system. Evaluating security solutions to ensure they meet security requirements for processing classified information. Performing vulnerability/risk assessment analysis to support certification and accreditation. Provides configuration management (CM) for information system security software, hardware, and firmware. Manages changes to system and assesses the security impact of those changes. Preparing and reviewing documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Supporting security authorization activities in compliance with National Institute of Standards and Technology Risk Management Framework (NIST RMF).

Position requires an active TS/SCI with polygraph level clearance. US citizenship is required.

Required Skills:

Ability to:

  • Provide support to senior ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies

  • Assist with preparation and maintenance of documentation

  • Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information

  • Assist with the CM for information system security software, hardware, and firmware

  • Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades

  • Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies

  • Develop and maintain documentation for C&A in accordance with ODNI and DoD policies

  • Develop system security policy and ensures compliance

  • Evaluate security solutions to ensure they meet security requirements for processing classified information

  • Maintain operational security posture for an information system or program

  • Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, or enclave

  • Develop and update the system security plan and other IA documentation

  • Assist with the management of security aspects of the information system and perform day-to- day security operations of the system

  • Administer the user identification and authentication mechanism of the Information System (IS)

Qualifications: Bachelor's degree in a technical discipline and five (5) years of ISSO experience or nine (9) years' experience in lieu of degree.

IAT level I baseline certification as defined by DoD 8570.01-M is required.

BENEFITS

OST is an Equal Opportunity Employer and has been operating since 1996 providing support on various contracts with Government agencies. We offer a comprehensive benefits package that includes 3 weeks paid time off, 11 Federal Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end-of-year profit sharing.

VEVRAA Federal Contractor.
We request Priority Protected Veteran & Disabled Referrals for all of our locations within the state.

PDN-a1ae1c35-a403-4d9b-9f80-dcd458fc7435

About Open Systems Technologies Corporation

Open System Technologies Corporation believes in the power of experience and expertise. That is why we are certified in a broad spectrum of capabilities to better serve our diverse clientele with flawless execution and exceptional client relationships.


At OST, we are proud to have assembled an experienced team of driven professionals who strive to keep us meeting new heights of performance. 

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Open Systems Technologies Corporation
Information Systems Security Officer
Open Systems Technologies Corporation
Annapolis Junction, MD
May 2, 2026
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