Senior Information Security Professional – Government

AT&T

. Provide subject matter expertise and serve as an advisor on technical matters involving the security of assigned Information Systems .

Posted 9/21/2026full-timeReston • Virginia • United StatesSenior💰 $98,100 - $205,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Information Systems Security, including the development and maintenance of Security Plans and compliance with cybersecurity controls. Proficient in managing the Authorization and Accreditation process for classified systems and providing IT support for Special Access Programs.

Highest-signal resume keywords

TS/SCI With PolyAssessment And Authorization (A&A) ProcessXACTA8570 Compliant (IAT Level 2)Experience With Special Access Programs (SAPs)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System Security Plans (SSP)Security Controls Traceability Matrices (SCTM)Continuous Monitoring Plans (ConMon)Plans Of Actions And Milestones (POA&Ms)Cybersecurity Controls ImplementationChange ManagementAccount ManagementMedia ProtectionFile TransfersNIST800-53

Tools & Technologies

SplunkTrellixSTIGsACAS

Certifications & Qualifications

Bachelor's Degree8570 Compliance

Industry Keywords

Intelligence Community (IC)Department Of Defense (DoD)Risk Management Framework (RMF)Authorization To Operate (ATO)Authorization To Connect (ATC)

Tech Stack

Tools & technologies

Cyber SecuritySplunkTypeScript

About the role

Key responsibilities & impact

Provide subject matter expertise and serve as an advisor on technical matters involving the security of assigned Information Systems
Maintain and develop System Security Plans (SSP), Security Controls Traceability Matrices (SCTM), Continuous Monitoring Plans (ConMon), Plans of Actions and Milestones (POA&Ms), and other related plans, procedures and guidance
Monitor and correlate data from sources including Splunk, Trellix, STIGs, and ACAS to identify and mitigate threats, vulnerabilities, and non-compliance
Perform security sustainment activities including Change Management, Account Management, Media Protection, and File Transfers
Ensure required cybersecurity controls are implemented and validated, including continuous monitoring actions
Assist in overseeing and managing day-to-day operation of SAP Information Systems
Assist the team in the Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining ATO and ATC
Provide managed IT support of SAP-IT systems for high-priority defense intelligence collection needs and develop and field advanced technical collection capabilities
Work full-time onsite at the customer's site on classified programs and Special Access Programs with no telework

Requirements

What you’ll need

TS/SCI with Poly
Demonstrates strong experience with IC/DoD customer's Assessment and Authorization (A&A) process (e.g., RMF, NIST800-53, ICD503, JSIG)
Experience with XACTA
Experience in developing and implementing DoD approved information security controls, procedures and documentation for the operation of classified systems
5 years of relevant experience
Must presently be 8570 compliant (IAT Level 2)
Previous experience as an ISSO, ISSM, ISSE, or Security Controls Assessor is desired
Experience with the Special Access Programs (SAPs) and Intelligence Community (IC) is desired
Bachelor's Degree from an accredited institute in an area applicable to this position and eight (8) years of relevant experience is desired

Benefits

Comp & perks

Medical/Dental/Vision coverage
401(k) plan
Tuition reimbursement program
Paid Time Off and Holidays (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