Lead ISSO — Cyber RMF & Compliance

ManTech International; Laurel (MD); On-site; USD 142,000 - 236,000; Full time

Benefits offered by this job

Health Insurance

Life Insurance

Paid Time Off

Holiday Pay

Disability Insurance (short-term &

Disability Insurance (long-term)

Retirement Savings

Learning & Development opportunities

Wellness Programs

Job summary

MANTECH is seeking an Information System Security Officer (ISSO) in Laurel, Maryland to support enterprise infrastructure and RMF lifecycle alignment for a global, mission-focused workforce. The ISSO will collaborate with customers, IPTs, and vendors to implement advanced EIT capabilities, maintain SSPs, and remediate security findings.

The role requires experience with sponsor tools (Xacta, LatteArt), POAM management, and audit-log reviews, with a TS/SCI clearance and DoD 8140 IAM I

Qualifications

• Bachelor’s degree with 12+ years of relevant experience OR associate’s degree with 15 years of relevant experience OR high school diploma/GED with 20 years of relevant experience.
• Experience with Xacta, LatteArt and other sponsor tools
• Experience managing POAMs, performing audit log reviews, and maintaining secure system inventories
• IAM I certification (DoD 8140 required upon start of employment. Acceptable certifications include CAP/CND/Cloud+/GSLC/Security+ CE/HCISSP/CASP+CE/CISM/CISSP/ or CCISO)

Responsibilities

• Update and maintain hardware and software inventory records, including associated change logs
• Support and coordinate Secure the Enterprise (STE) and Secure the Network (STN) activities
• Review and address Xacta notices and ensure compliance documentation is accurate and current
• Complete SEAR audit log records in accordance with Sponsor standards
• Track, review, and resolve POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings
• Develop and maintain System Security Plans (SSPs) for both new and existing systems
• Analyze vulnerability scan results and collaborate with system owners to implement remediation
• Leverage sponsor tools such as Gatekeeper, Xacta, SEAR, and LatteArt in daily operations

Skills

Xacta

LatteArt

POAMs

Audit logs

Secure inventories

IAM I certification

Education

Bachelor’s degree +12 years or Associate +15 years or HS diploma +20 years

Tools

Gatekeeper

SEAR

SCANNBOY

SNOW

Job description

MANTECH is seeking an Information System Security Officer (ISSO) in Laurel, Maryland to support enterprise infrastructure and RMF lifecycle alignment for a global, mission-focused workforce. The ISSO will collaborate with customers, IPTs, and vendors to implement advanced EIT capabilities, maintain SSPs, and remediate security findings.

The role requires experience with sponsor tools (Xacta, LatteArt), POAM management, and audit-log reviews, with a TS/SCI clearance and DoD 8140 IAM I