✦ Luna Orbit — Cybersecurity

Information Systems Security Officer (ISSO2) (Government)

at AT&T

📍 Columbia, Maryland Onsite 💰 $98K – $185K USD / year Posted March 29, 2026
Salary $98K – $185K USD / year
Type Full-Time
Experience senior
Exp. Years 2+ years (minimum across combinations)
Education Bachelor of Science Degree in Information Technology Discipline with 2 years of work experience in IT/ISSO/CND roles OR Associate Degree in Information Technology Discipline with 4 years of work experience in IT/ISSO/CND roles OR High School Diploma with 10 years of experience in IT/ISSO/CND roles
Category Cybersecurity

AT&T is hiring an Information Systems Security Officer (ISSO2) for the Government sector to support IC/DoD security programs, maintain SSPs, and perform A&A duties for contract systems. This role requires TS/SCI with polygraph and on-site presence in Columbia/Laurel, MD.

  • Plan and coordinate IT security programs; Coordinate with system developers/owners on security changes; Manage changes and assess security impact; Perform security continuous monitoring and reporting; Prepare SSPs and A&A duties to obtain/maintain ATOs

Role involves security program planning, policy coordination, continuous monitoring, and security documentation. Requires SA/LAN admin experience on Windows/Linux, AWS, and familiarity with IC/DoD/NIST policies; tools include Splunk, Nessus, Xacta, LatteArt.

The ideal candidate is a senior ISSO with active TS/SCI clearance and polygraph, experienced in DoD/IC security policies, vulnerability management tooling (Splunk/Nessus), and security authorization processes (A&A) using Xacta and SSP documentation.

High School Diploma with 10 years of experience in IT/ISSO/CND rolesAssociate Degree in Information Technology Discipline with 4 years of experience in IT/ISSO/CND rolesBachelor of Science Degree in Information Technology Discipline with 2 years of experience in IT/ISSO/CND rolesDoD 8570 compliance with Information Assurance Management (IAM) Level I or higher (SEC+CAPCNDCloud+GSLCHCISSP)TS/SCI with polygraph
Windows SAWindows System AdministrationLinux SALinux System AdministrationAWSAmazon Web ServicesSplunkNessusXactaLatteArtSSP
Windows SA; Windows System Administration; Linux SA; Linux System Administration; Network Administration; AWS; Amazon Web Services; Splunk; Nessus; Xacta; LatteArt; NIST Security Policies and Procedures; DoD Security Policies; COTS; GOTS; SSP; TS/SCI with polygraph; A&A; Security Documentation; SSP
Windows SAWindows System AdministrationLinux SALinux System AdministrationNetwork AdministrationAWSAmazon Web ServicesSplunkNessusXactaLatteArtNIST Security Policies and ProceduresDoD Security PoliciesCOTSGOTSSSP
CommunicationTeamworkProblem-solvingDocumentation

Required

CompTIA Security+ (Security+)Certified Authorization Professional (CAP)Cyber Network Defender (CND)CompTIA Cloud+ (Cloud+)GIAC Security Leadership Certification (GSLC)HCISSP - Healthcare Information Security and Privacy Practitioner
Industry Government/Public Sector
Job Function Security program management and A&A support for IC/DoD systems
Role Subtype Information Systems Security Officer
Tech Domains Amazon Web Services, Windows Server, Linux, Splunk, Nessus, Xacta, LatteArt, NIST Security Policies and Procedures, DoD Security Policies
information systems security officerisso2ts/SCI with polygraphsplunknessusxactalatteartamazon web servicesawswindows salinux sanetwork administrationcots/gotssspa&anist security policies and proceduresdod security policiesic policiesatosecurity authorizationnist security policies

No TS/SCI clearance, No polygraph, Lack of experience with DoD/NIST/IC policies

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