Information System Security Officer (ISSO) with TS/SCI CI Poly Clearance Job at Maania Consultancy Services, Saint Louis, MO

cGNNMkVZTEFseWJBRy8rYWFYMUkwZDU5YkE9PQ==
  • Maania Consultancy Services
  • Saint Louis, MO

Job Description

Responsibilities

  • Lead RMF/ICD-503 Assessment & Authorization (A&A) activities; coordinate with NGA DAOs/DAORs to achieve/maintain ATO.

  • Maintain security documentation (SSPs, POA&Ms, SIA/SIAs, CONOPS, ITDR) in Service+ (ServiceNow), XACTA/XACTA 360, and NPT/CIO tools.

  • Drive security changes via steering groups/review boards; track milestones and risk burn-down.

  • Perform/control testing of security controls; assess Zero Trust/defense-in-depth effectiveness and compliance with IC/DoD/NIST/DISA standards.

  • Operate the vulnerability management program across (U)/(S)/(TS) enclaves using Nessus and Tenable-ACAS; analyze results, prioritize fixes, verify mitigations, and manage POA&M status.

  • Advise lab and operations teams on secure SDLC, hardening (e.g., STIGs), and best practices; resolve complex security issues.

  • Address IA/cyber directives, vulnerability and patch tasking; document changes, upgrades, and connectivity configurations.

  • Provide user training; manage access provisioning and IAA (identification, authentication, authorization).

  • Collaborate with Systems Engineers/Admins, Senior ISSO/ISSMs, Lab Team, and Corporate Security to sustain an effective security posture.

Basic Qualifications

  • U.S. citizenship (per contract).

  • BS degree and 8–12 years of relevant ISSO/ cybersecurity experience.

  • Demonstrated application of ICD-503 and NIST RMF; familiarity with customer mission/security operations.

  • Experience with: XACTA (XACTA 360 preferred), HBSS, ACAS, Nessus, Splunk.

  • Strong written/verbal communication; ability to brief leadership and lead cross-functional efforts.

Preferred Qualifications

  • 3+ years operating/analyzing vulnerability scans (Nessus, Tenable Security Center or similar) with proven remediation outcomes.

  • Active CISSP or CISM.

  • Intelligence Community experience; knowledge of AWS/C2S and modern Zero Trust implementations.

Job Tags

Full time, Contract work,

Similar Jobs

Sauced BBQ& Spirits

Prep Cook Job at Sauced BBQ& Spirits

Location: Petaluma, CA Employment Type: Full-Time Salary: Competitive Job Description Prepare fresh food items to company specifications Participates in a team environment Able to work in a high volume restaurant environment Follows all state and city...

SIMEDHealth

Physician - Physical Medicine & Rehabilitation Job at SIMEDHealth

 ...Now Hiring: Physical Medicine & Rehabilitation Physician Gainesville, Florida Are you a Board-Eligible or Board-Certified PM&R Physician looking...  ...to major cities, theme parks, and airports Exciting sports culture NFL, MLB, NBA, NHL, and collegiate teams... 

Hungry Howie's Pizza

Delivery Driver Job at Hungry Howie's Pizza

 ...delivering the product to customers. You will also need to process cash and card payments.To be successful as a Pizza Delivery Driver, you should be...  ...and complaints. Benefits: The position pays cash daily, with drivers earning between $12-$20 per hour!... 

Sodexo

Premiere Airline Lounge Wait Staff Job at Sodexo

 ...Hospitality Team at the Admirals Club - Pittsburgh International Airport Position: Full-Time Wait Staff. Location: American...  ...delivering personalized service at the American Airlines Admirals Club Lounge. This smaller, private lounge offers a calm, premium experience... 

OnWay Transport, LLC

Auto Parts Courier / Delivery Driver Job at OnWay Transport, LLC

 ...Delivery Driver / Auto Parts Courier Pay: $700per week. Job description for Delivery Driver / Auto Parts Couriers: OnWay Transport is searching for dependable independent contractors as Delivery Driver / Auto Parts Couriers to transport auto-parts from a warehouse...