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Information System Security Engineer (ISSE) (Principal Level) Government

AT&T

Engineering Jobs

Information System Security Engineer (ISSE) (Principal Level) Government

full-timePosted: Oct 16, 2025

Job Description

Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site.  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.

Our Federal Solutions Team supports the intelligence community, providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of operations.  The services required by this contract will assist providing our customer with a secure mission environment. The contractor shall provide realistic, innovative information security solutions to accomplish the requirements in addition to program management. The services obtained under this contract shall provide expertise to support information systems security, security control assessments, information assurance engineering, and security control assessments test engineering.

AT&T has an opening for an Information System Security Engineer (ISSE) Principal to support AT&T Federal Solutions.

Job Duties/Responsibilities:

  • Develop and implement plans to safeguard the most significant data that is stored in various computer files by developing and designing a system and installing it for security purposes.
  • Perform the daily routine activities, administration, and management duties to maintain complete integrity, confidentiality and availability of technological infrastructures and any other relevant informational resources.
  • Provide recommendations related to technical security by interacting with team members, management, and clients.
  • Communicate the risk factors involved and identify the requirements to ensure the security of the system.
  • Review the current procedural policies and ensure that they are being followed.
  • Develop a technology that would help in monitoring security automatically, to evaluate the need to recommend secure and safe remote configurations, etc.
  • Mentor as directed/needed to support the mission of the team.
  • Overseeing the ISSE ATO effort within the directorate assigned.

Required Clearance:

TS/SCI/ with poly (#tssci) (#polygraph)

Qualifications:

EDUCATION:

  • High School/GED AND 15 Years Experience
  • Associate AND 13 Years Experience
  • Bachelor AND 11 Years Experience
  • Master AND 9 Years Experience

Desired Education: Degree in Computer Science, Computer Engineering, or a related field of study. Experience in the following areas are considered relevant: Information technology security, information systems security, information assurance engineering, performing certification and accreditation testing.

CERTIFICATION: Must meet minimum requirements for DoD 8570 IAT Level 3 to include ONE of the following:

CASP+ CE
CCNP Security
CISA
CISSP (or Associate)
GCED
GCIH
CCSP
 

Our Information System Security Engineer (ISSE) (Principal Level) earn between $98,100 - $180,000. 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 phone

Weekly Hours:

40

Time Type:

Regular

Location:

Chantilly, Virginia

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.

Locations

  • Chantilly, Virginia, United States

Salary

98,100 - 180,000 USD / yearly

Estimated Salary Rangemedium confidence

140,000 - 220,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Information technology securityintermediate
  • Information systems securityintermediate
  • Information assurance engineeringintermediate
  • Certification and accreditation testingintermediate
  • DoD 8570 IAT Level 3 certifications (CASP+ CE, CCNP Security, CISSP or Associate, GCED, GCIH, CCSP)intermediate

Required Qualifications

  • High School/GED AND 15 Years Experience (experience)
  • Associate AND 13 Years Experience (experience)
  • Bachelor AND 11 Years Experience (experience)
  • Master AND 9 Years Experience (experience)
  • Must meet minimum requirements for DoD 8570 IAT Level 3 to include ONE of the following: CASP+ CE, CCNP Security, CISSP (or Associate), GCED, GCIH, CCSP (experience)
  • Required Clearance: TS/SCI with poly (experience)

Preferred Qualifications

  • Degree in Computer Science, Computer Engineering, or a related field of study (experience)
  • Experience in information technology security, information systems security, information assurance engineering, performing certification and accreditation testing (experience)

Responsibilities

  • Develop and implement plans to safeguard the most significant data that is stored in various computer files by developing and designing a system and installing it for security purposes
  • Perform the daily routine activities, administration, and management duties to maintain complete integrity, confidentiality and availability of technological infrastructures and any other relevant informational resources
  • Provide recommendations related to technical security by interacting with team members, management, and clients
  • Communicate the risk factors involved and identify the requirements to ensure the security of the system
  • Review the current procedural policies and ensure that they are being followed
  • Develop a technology that would help in monitoring security automatically, to evaluate the need to recommend secure and safe remote configurations, etc.
  • Mentor as directed/needed to support the mission of the team
  • Overseeing the ISSE ATO effort within the directorate assigned

Benefits

  • general: Medical/Dental/Vision coverage
  • general: 401(k) plan
  • general: Tuition reimbursement program
  • general: Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
  • general: Paid Parental Leave
  • general: Paid Caregiver Leave
  • general: Additional sick leave beyond what state and local law require may be available but is unprotected
  • general: Adoption Reimbursement
  • general: Disability Benefits (short term and long term)
  • general: Life and Accidental Death Insurance
  • general: Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
  • general: Employee Assistance Programs (EAP)
  • general: Extensive employee wellness programs
  • general: 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

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AT&T logo

Information System Security Engineer (ISSE) (Principal Level) Government

AT&T

Engineering Jobs

Information System Security Engineer (ISSE) (Principal Level) Government

full-timePosted: Oct 16, 2025

Job Description

Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site.  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.

Our Federal Solutions Team supports the intelligence community, providing, operating, and assuring critical voice, video, and collaboration services for the full spectrum of operations.  The services required by this contract will assist providing our customer with a secure mission environment. The contractor shall provide realistic, innovative information security solutions to accomplish the requirements in addition to program management. The services obtained under this contract shall provide expertise to support information systems security, security control assessments, information assurance engineering, and security control assessments test engineering.

AT&T has an opening for an Information System Security Engineer (ISSE) Principal to support AT&T Federal Solutions.

Job Duties/Responsibilities:

  • Develop and implement plans to safeguard the most significant data that is stored in various computer files by developing and designing a system and installing it for security purposes.
  • Perform the daily routine activities, administration, and management duties to maintain complete integrity, confidentiality and availability of technological infrastructures and any other relevant informational resources.
  • Provide recommendations related to technical security by interacting with team members, management, and clients.
  • Communicate the risk factors involved and identify the requirements to ensure the security of the system.
  • Review the current procedural policies and ensure that they are being followed.
  • Develop a technology that would help in monitoring security automatically, to evaluate the need to recommend secure and safe remote configurations, etc.
  • Mentor as directed/needed to support the mission of the team.
  • Overseeing the ISSE ATO effort within the directorate assigned.

Required Clearance:

TS/SCI/ with poly (#tssci) (#polygraph)

Qualifications:

EDUCATION:

  • High School/GED AND 15 Years Experience
  • Associate AND 13 Years Experience
  • Bachelor AND 11 Years Experience
  • Master AND 9 Years Experience

Desired Education: Degree in Computer Science, Computer Engineering, or a related field of study. Experience in the following areas are considered relevant: Information technology security, information systems security, information assurance engineering, performing certification and accreditation testing.

CERTIFICATION: Must meet minimum requirements for DoD 8570 IAT Level 3 to include ONE of the following:

CASP+ CE
CCNP Security
CISA
CISSP (or Associate)
GCED
GCIH
CCSP
 

Our Information System Security Engineer (ISSE) (Principal Level) earn between $98,100 - $180,000. 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 phone

Weekly Hours:

40

Time Type:

Regular

Location:

Chantilly, Virginia

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.

Locations

  • Chantilly, Virginia, United States

Salary

98,100 - 180,000 USD / yearly

Estimated Salary Rangemedium confidence

140,000 - 220,000 USD / yearly

Source: ai estimated

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Information technology securityintermediate
  • Information systems securityintermediate
  • Information assurance engineeringintermediate
  • Certification and accreditation testingintermediate
  • DoD 8570 IAT Level 3 certifications (CASP+ CE, CCNP Security, CISSP or Associate, GCED, GCIH, CCSP)intermediate

Required Qualifications

  • High School/GED AND 15 Years Experience (experience)
  • Associate AND 13 Years Experience (experience)
  • Bachelor AND 11 Years Experience (experience)
  • Master AND 9 Years Experience (experience)
  • Must meet minimum requirements for DoD 8570 IAT Level 3 to include ONE of the following: CASP+ CE, CCNP Security, CISSP (or Associate), GCED, GCIH, CCSP (experience)
  • Required Clearance: TS/SCI with poly (experience)

Preferred Qualifications

  • Degree in Computer Science, Computer Engineering, or a related field of study (experience)
  • Experience in information technology security, information systems security, information assurance engineering, performing certification and accreditation testing (experience)

Responsibilities

  • Develop and implement plans to safeguard the most significant data that is stored in various computer files by developing and designing a system and installing it for security purposes
  • Perform the daily routine activities, administration, and management duties to maintain complete integrity, confidentiality and availability of technological infrastructures and any other relevant informational resources
  • Provide recommendations related to technical security by interacting with team members, management, and clients
  • Communicate the risk factors involved and identify the requirements to ensure the security of the system
  • Review the current procedural policies and ensure that they are being followed
  • Develop a technology that would help in monitoring security automatically, to evaluate the need to recommend secure and safe remote configurations, etc.
  • Mentor as directed/needed to support the mission of the team
  • Overseeing the ISSE ATO effort within the directorate assigned

Benefits

  • general: Medical/Dental/Vision coverage
  • general: 401(k) plan
  • general: Tuition reimbursement program
  • general: Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
  • general: Paid Parental Leave
  • general: Paid Caregiver Leave
  • general: Additional sick leave beyond what state and local law require may be available but is unprotected
  • general: Adoption Reimbursement
  • general: Disability Benefits (short term and long term)
  • general: Life and Accidental Death Insurance
  • general: Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
  • general: Employee Assistance Programs (EAP)
  • general: Extensive employee wellness programs
  • general: 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

Target Your Resume for "Information System Security Engineer (ISSE) (Principal Level) Government" , AT&T

Get personalized recommendations to optimize your resume specifically for Information System Security Engineer (ISSE) (Principal Level) Government. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Information System Security Engineer (ISSE) (Principal Level) Government" , AT&T

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

TelecommunicationsTelecommunications

Answer 10 quick questions to check your fit for Information System Security Engineer (ISSE) (Principal Level) Government @ AT&T.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.