Information Systems Security Officer (ISSO II) (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.
Description of Job Duties/Responsibilities:
- Provide support to senior ISSOs and Information System Security Managers (ISSMs).
- Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information (U) 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 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-today security operations of the system.
- Administer the user identification and authentication mechanism of the Information System (IS).
- Obtain C&A for ISs under their purview.
- Provide support for a program, organization, system, or enclave’s information assurance program.
- Plan and coordinate the IT security programs and policies.
- Manage and control changes to the system and assess the security impact of those changes.
- Manage and control changes to the system and assess the security impact of those changes (U) Serve as the Approval Authority for ISs under their control.
- 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 10 (10) 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 two (2) 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 II) (Government) earns between $98,100 - $228,600 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 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-84955 Date posted 10/02/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
Check your email (and SPAM) throughout the process for important messages and next steps.
Connect today
Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.