Information Systems Security Officer (ISSO2) (Government)

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.

Ready to join our team? Apply today!

Our Information Systems Security Officer (ISSO2) (Government) earns $98,100 - $175,600 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.

Joining our team comes with amazing perks and benefits:

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays) *Pro-rated when working less than 40 hrs/wk.

Paid Parental Leave

Paid Caregiver Leave

Additional sick leave beyond what state and local law require may be available but is unprotected · Adoption Reimbursement

Disability Benefits (short term and long term)

Life and Accidental Death Insurance

Supplemental benefit programs: critical illness/accident hospital indemnity/group legal

Employee Assistance Programs (EAP)

Extensive employee wellness programs

Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T wireline phone

Weekly Hours:

Time Type:

Location:

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