Information Systems Security Officer (ISSO2) (Government)

att; Columbia (MD); On-site; USD 98,000 - 169,000; Full time

Job summary

AT&T Global Public Sector in Columbia, Maryland, is seeking an Information Systems Security Officer (ISSO) to support RIS I government operations. The role focuses on securing end-user IT systems, maintaining accreditation, and ensuring compliance in a classified mission environment.

You will collaborate with ISSMs, stakeholders, and technical teams to strengthen controls, manage RMF activities, and produce thorough documentation while working on-site at the customer location in Columbia, MD.

Qualifications

• 10+ years as an ISSO on similar programs and contracts.
• Bachelor's degree in Computer Science or related field.
• DoD 8570 IAM Level I compliance required.
• Experience with RMF, SSP maintenance, and accreditation for classified systems.
• Strong written and verbal communication across security, technical, and leadership stakeholders.
• On-site work at Columbia, Maryland.

Responsibilities

• Execute RMF procedures for authorization, accreditation, and reaccreditation of information systems.
• Maintain SSPs, POA&M, and other security documentation per DoD/ODNI policies.
• Monitor and respond to security gaps and non-compliance across systems.
• Collaborate with ISSMs, stakeholders, and engineers to strengthen controls.
• Evaluate security solutions to meet classified processing requirements.
• Develop and enforce information systems security policies and methodologies.
• Support day-to-day security operations and authentication administration.
• Research and analyze security information to reduce risk and improve posture.
• Assist with 24x7 security operations and after-hours requests.

Skills

RMF experience

Communication skills

Security principles

Education

Bachelor's degree in Computer Science or related field

Tools

Security tools

Encryption tools

Job description

AT&T Global Public Sector

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.

RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, workplace peripherals, and voice and video devices. We support local and campus area networks, including wireless and cable plant.

AT&T has an opening for an Information Systems Security Officer to support the RIS I Government contract in Columbia, Maryland. This role supports the delivery and management of secure end-user IT systems across a mission-focused federal environment, helping ensure information systems remain compliant, protected, and operationally ready.

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. Work to be performed at a government customer site in Columbia, MD.

Description of Job Duties/Responsibilities

The ISSO will help ensure information systems remain secure, compliant, accredited, and operationally ready in support of classified mission requirements. This role requires a security professional with strong Risk Management Framework experience, a disciplined approach to documentation and compliance, and the ability to collaborate with ISSMs, mission stakeholders, technical teams, and program leadership to identify risk, strengthen controls, and support successful program execution.

Key Responsibilities

• Execute consistent and compliant Risk Management Framework procedures in support of information system authorization, accreditation, and reaccreditation activities.
• Maintain asset records, System Security Plans, CONOPS, POA&Ms, and other information assurance documentation in accordance with applicable ODNI and DoD policies.
• Monitor, audit, detect, and respond to areas of non-compliance, security gaps, and unmitigated risk across assigned systems.
• Assess and improve system security posture by collaborating with the ISSM, mission stakeholders, technical teams, and program leadership.
• Evaluate security solutions to ensure they meet requirements for processing classified information.
• Propose, coordinate, implement, and enforce information systems security policies, standards, and methodologies.
• Provide configuration management support for security-relevant information system software, hardware, and firmware.
• Assist with day-to-day security operations, including user identification and authentication administration for assigned information systems.
• Conduct research, analyze security information, identify gaps, and recommend practical actions to strengthen controls and reduce risk.
• Support achievement of program service-level agreements and respond to after-hours requests as needed in a 24x7 mission environment.

Required Clearance

TS/SCI with polygraph. (#ts/sci) (#polygraph)

Required Qualifications

• Ten or more years of experience serving as an Information Systems Security Officer on programs and contracts of similar scope, type, and complexity.
• Bachelor's degree in Computer Science or a related discipline from an accredited college or university.
• DoD 8570 compliance with IAM Level I is required.
• Experience with at least one of the following areas: current security tools, hardware or software security implementation, communication protocols, or encryption techniques and tools.
• Strong understanding of security principles, risk management, compliance monitoring, and information systems security technologies.
• Experience supporting RMF activities, SSP maintenance, POA&M management, accreditation activities, and security documentation for classified systems.
• Strong written and verbal communication skills with the ability to coordinate effectively across security, technical, mission, and leadership stakeholders.
• Ability to work on-site at the customer location in Columbia, Maryland.

Desired Qualifications

• Experience supporting federal or Department of Defense programs in a classified environment.
• Familiarity with ODNI and DoD security policies, authorization processes, and compliance expectations.
• Experience partnering with ISSMs, system administrators, engineers, and mission stakeholders to resolve security findings and improve system posture.
• Demonstrated ability to manage competing priorities, maintain accurate documentation, and operate with urgency in a mission-critical environment.

Salary

Our Information Systems Security Officer (ISSO2) (Government) earns $98,100 - $168,800 yearly. Not to mention all the other amazing rewards that working at AT&T offers.

Joining our team come