Information Systems Security Officer (ISSO I) (Government)
Columbia, Maryland
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.
The scope of this Contract requires specialized expertise in areas such as high-performance computing (HPC), automated processing systems, distributed software design, and secure hosting and networking solutions. The IT infrastructure consists of a mix of Linux, Windows, and UNIX. The environment includes a variety of network devices, server interconnections, mass storage solutions, and essential supporting infrastructure services. The services provided under this Contract support areas including HPC, infrastructure maintenance for HPC systems, networking, office automation, and the development of specialized software.
AT&T has an opening for an Information Systems Security Officer: To support information assurance programs and ensure the security posture of mission critical systems. The ISSO will play a key role in supporting security authorization activities in alignment with program and government requirements. 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:
- Implement and enforce information systems security policies, standards, and procedures.
- Maintain the operational security posture of assigned systems to ensure confidentiality, integrity, and availability.
- Conduct vulnerability assessments, risk analyses, and security solution evaluations for classified systems.
- Support system security authorization activities in compliance with the NIST Risk Management Framework (RMF).
- Provide configuration management (CM) for security software, hardware, and firmware.
- Develop, review, and maintain security documentation, including:
- System Security Plans (SSPs)
- Risk Assessment Reports
- Certification & Accreditation (C&A) packages
- Security Requirements Traceability Matrices (SRTMs)
- Assist in the evaluation and remediation of security issues across systems and networks.
- Provide support to senior ISSOs and Information System Security Managers (ISSMs).
- Ensure systems comply with DoD, ODNI, and customer-specific information assurance requirements.
- Support audits, inspections, and reviews by preparing accurate records and reports.
- Monitor user access, authentication, and identification mechanisms to safeguard information systems.
- Collaborate with Government personnel and stakeholders to resolve security concerns and improve processes.
- Experience implementing, enforcing, and maintaining information system security policies, standards and procedures.
- Strong knowledge of risk assessments, vulnerability analysis and security authorization process.
- Hands-on experience with configuration management (CM) of security software, hardware and firmware.
- Ability to evaluate, document, and maintain compliance with DoD and ODNI security requirements.
- Familiarity with Certification & Accreditation (C&A), System Security Plans (SSPs), and Risk Assessment Reports.
- Proficiency in developing and updating security documentation, including traceability matrices (SRTMs).
- Experience maintaining operational security posture for systems processing classified information.
- Knowledge of user identification, authentication mechanisms, and access control best practices.
- Strong communication and coordination skills to support collaboration with senior security leaders and program managers.
- Work to be performed in Ft. Meade, MD 20755
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Required Qualifications:
- Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required plus five (5) years experience as an ISSO on programs and contracts of similar scope, type, and complexity. Four (4) years of additional experience as an ISSO may be substituted for a bachelor’s degree.
- Experience is to include at least one (1) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.
- DoD 8570 compliance with IAT Level I or higher is required.
Ready to join our Team? Apply today!
Our Information Systems Security Officer (ISSO I) (Government) earns between $89,200 - $207,900 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 phone
Weekly Hours:
40Time Type:
RegularLocation:
Columbia, MarylandIt is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-84951 Date posted 10/02/2025
Benefits
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- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
Our hiring process
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