Information Systems Security Engineer – VATeam (ISSE 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.
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 Engineer: To support the team by performing vulnerability scans, analyzing scan results, and collaborating with framework teams to proactively manage cyber risk and enhance the organization's security posture through remediation of identified security weaknesses. This role will also support technical security assessments of computing environments and identification of non-compliance with established Information Assurance (AI) standards and regulations and recommend mitigation strategies. 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.
The job duties of the Information Systems Security Engineer are as follows:
- Configure, operate, and maintain Tenable.sc and Nessus to identify and track vulnerabilities across all environments.
- Conduct STIG compliance scans and interpret results to assist system administrators and ISSEs to validate system hardening and control effectiveness.
- Analyze vulnerability data and trends; create actionable findings and coordinate remediation efforts with system administrators and ISSEs.
- Integrate vulnerability and compliance data into Splunk for correlation, trend analysis, and automated compliance reporting.
- Develop dashboards and reports to visualize system risk posture and track remediation progress.
- Support RMF (Risk Management Framework) activities, providing technical input for security controls (e.g., Tenable results).
- Assist in developing or refining scanning policies, baselines, and SOPs to improve security posture and compliance consistency.
- Support audits and assessments by providing detailed vulnerability data, remediation evidence, and STIG compliance documentation.
- Implementing security vulnerability testing tools to provide continuous monitoring and patch verification.
- Test and evaluate configurations in a lab environment.
- Knowledge of servers, virtualization, routers, switches, and firewalls as well as VLANS, routing and network segmentation.
- Working knowledge of DoD STIGs, and RMF process (NIST 800-53).
- Experience using Splunk for data ingestion, search queries, correlation, and report creation.
- Provide security operations support as needed.
- Excellent communication and teamwork skills.
- Results oriented, high energy, self-motivated.
- Candidate may be required to respond to after-hours requests as required in a 24 x 7 environment.
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Required Qualifications: 3-5 years experience as an ISSE on programs and contracts of similar scope, type, and complexity within the Federal Government is required. Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. Four (4) years of additional ISSE experience may be substituted for a bachelor’s degree. Active DoD 8570 IAT Level II or III certification (e.g., Security+, CASP, CISSP, or equivalent).
Ready to join our team? Apply Today!
Our Information Systems Security Engineer – VATeam (ISSE I) (Government) earns between $98,100 - $137,600 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-90261 Date posted 11/17/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- 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.