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Senior Information System Security Officer

AT&T

On-site
Columbia, MD
Full-time
Senior
8+ yrs
$98k–$210kPosted 2h ago

Real job — pulled straight from AT&T’s careers page · Verified November 12, 2026 · No reposts.

Job description

AT&T is hiring a Senior Information System Security Officer — a full-time, based in Columbia, MD role ($98k–$210k). Apply directly on AT&T's careers page below.

Senior Information System Security Officer (ISSO) - Government

Location: Columbia, Maryland

Remote Type: Office Worker (NOT Remote)

Time Type: Full time

Job Description

This is a full-time onsite role based in the location(s) posted and is performed from customer's work location (Suitland, MD) five days per week. No relocation is offered.



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.


AT&T has an opening for a Senior Information System Security Officer to support operations by maintaining, documenting, and administering enterprise IT systems.

Job Duties/Responsibilities:

  • Support the creation and continuous maintenance of the IT Systems Accreditation Documentation Packages (SSP, SCTM, CONOPs, A&A, Test Plan, SOP's. User Guides etc). 
  • Provide IA security on-site support for all formal IT systems and A&A testing. 
  • Ensure all on-site contract IT systems personnel are trained on all IA procedures and requirements for each of the IT systems. 
  • Provide IA Security qualified personnel resources to support the continued accreditation and security operation of the information system under the RMF Continuous Monitoring Plan. 
  • Review all hardware and software changes proposed and/or being implemented for appropriate security operation, providing configuration management support as it relates to the security configuration of the system, updating documentation and hardware and software inventory lists. Propose IA policy, procedures, provide IT security training, and perform IA oversight. 
  • Serve as a technically proficient security partner capable of engaging engineering, system administrator, database, and cybersecurity subject matter experts to assess technical risks, evaluate hardware and software changes, resolve security findings, and sustain system authorization under the RMF Continuous Monitoring Plan.

 

Clearance Requirements:

Active TS/SCI with Current Poly (#tssci) (#polygraph)

 

Required Qualifications:

  • Bachelor’s degree in related field.
  • 8 years of relevant experience.

Our Senior Information System Security Officer's earn between $98,100 - $210,000. 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)
  • 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:

40

Time Type:

Regular

Location:

Columbia, Maryland

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.

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Frequently asked questions

What is the salary for Senior Information System Security Officer at AT&T?

The estimated salary range for Senior Information System Security Officer at AT&T is $98,000 - $210,000 USD per year.

What skills are required for Senior Information System Security Officer at AT&T?

The required skills for Senior Information System Security Officer at AT&T include: Cybersecurity.

What is the seniority level for Senior Information System Security Officer at AT&T?

Senior Information System Security Officer at AT&T is a Senior level position.

How do I apply for Senior Information System Security Officer at AT&T?

You can view the full description and apply for Senior Information System Security Officer at AT&T on EchoJobs: https://echojobs.io/job/at-t-senior-information-system-security-officer-isso-government-qt9vk.