Information Systems Security Engineer (ISSE 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.
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 anInformation Systems Security Engineer: To support the team by performing or reviewing technical security assessments of computing environments to identify points of vulnerability, 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:
- Reviewing security architectures, firewall configurations, IDS/IPS, and security controls for new and proposed systems.
- Prevention and early detection and resolution of risks to high value assets.
- Development and management of strategic and tactical physical, personnel and procedural security programs.
- Architect, design, implement, support, and evaluate security-focused tools and services including project leadership roles.
- Providing software vulnerability remediation advice to software developers and software development teams.
- Implementing security vulnerability testing tools to provide continuous monitoring and patch verification.
- Test and evaluate products in a lab environment.
- Reviews certification and accreditation (C&A) documentation, providing feedback on completeness and compliance of its content.
- Knowledge of 800-53 controls, testing information systems for compliance of the controls, and the creation of test cases.
- Knowledge of incident response and the creation, execution, and reporting of such activities.
- Knowledge of Firewalls, IDS/IPS, intrusion detection, VLANS, routing and other network security technologies.
- Knowledge of virtualization technologies including virtual firewalls, networking and segmentation.
- Knowledge of networking and firewall configuration and monitoring.
- Knowledge of SIEM technologies such as Splunk and creation of security event related dashboards.
- Knowledge of Malware identification, containment, and eradication.
- Knowledge of access control systems, PKI, multi-factor authentication, and entitlements management.
- Proficient in Microsoft Windows and Linux operating systems.
- Provide input into the development of security policies and procedures.
- Provide detailed security recommendations for the secure development and maintenance of systems.
- Evaluate and recommend new and emerging security products and technologies.
- Provide security operations support as needed.
- Participate in projects that develop new intellectual property.
- Evangelize security within the organization and be an advocate for customer trust.
- Excellent written and verbal communication skills.
- Excellent leadership skills 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: Fourteen (14) 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. DoD 8570 compliance with IASAE Level 2 is required.
Ready to join our team? Apply Today!
Our Information Systems Security Engineer (ISSE 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-87673 Date posted 10/22/2025
Benefits
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- Paid Time Off
- Tuition Assistance
- Insurance Options
- Discounts
- Training & Development
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