Skip to main content
Close Search

Information Systems Security Engineer (ISSE 0) (Government)

Columbia, Maryland

Apply Now

protect

Pursue a career and your calling.

"The similarities between military and AT&T culture are centered around morals..."

Chris S. — EVP, Technology Operations

"There are a lot of veterans here and it is a very supportive and positive environment just like the military. There is also a strong emphasis on ethics here similar to the military."

Government

Help give our nation powerful possibilities.

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.

Description of Job Duties/Responsibilities:

  • 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: 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 0) (Government) earns between $72,000 - $113,100 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:

40

Time Type:

Regular

Location:

Columbia, Maryland

It 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-91913 Date posted 12/02/2025
Apply Now

Benefits

Invested in your satisfaction and continued success.

We take care of our own here (hint: that could be you). Our benefits and rewards mean we cover some of your biggest needs with some of the coolest offerings. We already think we’re a pretty great place to work. We’re just trying to rack up some bonus points.

Let’s start with the big one: Your work gets rewarded with competitive compensation and benefits. It really does pay to be on our team.

Compensation

Paid Time Off

Our people have class. Literally. We can help you out on approved education costs with our tuition assistance plan.

Tuition
Assistance

Here’s another reason to breathe easy: You and your family get access to excellent medical, dental and vision insurance options.

Insurance Options

Wanna make your friends really jealous? You’ll get discounted access to the latest and greatest AT&T products and services — plus other awesome items, like tickets to live events.

Discounts

You strike us as an over-achiever (don’t worry, it’s a compliment). Our training and development programs are your ticket to expert status in your job.

Training & Development

When the day comes that you get some much needed R&R (not that you’d ever want to leave #LifeAtATT) you’ll know your future is set with the AT&T Retirement Savings Plan (ARSP).

Savings

The Hiring Process

Step 1

Complete a quick application online and check your status often.

Step 2

Virtual or in-person
Interviews

Dress professionally and ensure good WiFi interviewing virtually.

Step 3

Conditional
Job Offer

After a background check, you're part of the team.

Step 4

Welcome! Onboarding
and Training Begins

Our training and certification programs set you up for success.

Here are similar jobs, or

New Search

Discover more at AT&T

Sign up for job alerts, updates and more.

Interested In

  • Technology, Columbia, Maryland, United StatesRemove
  • Security Clearance, Columbia, Maryland, United StatesRemove
  • Government Support, Columbia, Maryland, United StatesRemove

AT&T Info and Alerts. Max 12 messages/month. Privacy Policy. You may opt-out at anytime by sending STOP to short code 20013. Msg & data rates may apply.

The values we live by.
  • Live True

    Do the right thing, no compromise.

  • Think Big

    Innovate and get there first.

  • Pursue Excellence

    In everything, every time.

  • Inspire Imagination

    Give people what they don't expect.

  • Stand for Equality

    Speak with your actions.

  • Embrace Freedom

    Press, speech, beliefs.

  • Make a Difference

    Impact your world.

  • Be There

    When customers & colleagues need you most.

Back to top