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Information Systems Security Officer (ISSO3) (Government)

AT&T
United Statesfull_timeVerifiedPosted 19 Jun 2025
💰 $238,600/yr($108,000/yr$238,600/yr)

About the role

Job Description:

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training enclaves and unclassified learning centers. including: Directory Services (DS): Architecture, governance, development, implementation, maintenance, and oversight of EIT’s Active Directories and Directory Management for all Enterprise Services on all domains. Desktop and Enclave Services (DES): governance, development, implementation, maintenance, and oversight of EIT’s desktop, mobile platforms, Virtual Desktop Infrastructures (VDI) and Trusted Thin Client (TTC).

AT&T has an opening for a senior Information System Security Officer: To Provide support for program, organization, system, or enclave’s information assurance program Enterprise IT (EIT) mission obligations.

This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

Description of Job Duties/Responsibilities:

  • Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies.
  • Maintain operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed.
  • Assist with the management of security aspects of the information system and perform day-to-day security operations of the system.
  • Evaluate security solutions to ensure they meet security requirements for processing classified information.
  • Perform vulnerability/risk assessment analysis to support certification and accreditation.
  • Provide configuration management (CM) for information system security software, hardware, and firmware.
  • Manage changes to system and assesses the security impact of those changes.
  • Prepare and review documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
  • Support security authorization activities in compliance with National Institute of Standards and Technology Risk Management Framework (NIST RMF).
  • 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.
  • Provide CM for security-relevant information system software, hardware, and firmware.
  • Develop system security policy and ensure 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 Cybersecurity posture for a system, program, or enclave.
  • Develop and update the system security plan and other Cybersecurity 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).
  • Prepare and maintain documentation.
  • Evaluate security solutions to ensure they meet security requirements for processing classified information.
  • Perform CM of information system security software, hardware, and firmware.
  • Propose, coordinate, and implement, information systems security policies, standards, and methodologies and ensure they are followed.
  • Develop and maintain documentation for C&A in accordance with ODNI and DoD policies.
  • Evaluate security solutions to ensure they meet security requirements for processing classified information.
  • Obtain C&A

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Company

AT&T

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