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Senior ISSO/System Administrator

Req #: 242126
Location: Annapolis Junction, MD US
Job Category: Engineering
Minimum Clearance Required: TS/SCI with Polygraph

Job Description

Next Century, a wholly-owned subsidiary of CACI, is seeking multiple Classified Senior ISSO (Systems Administrator) to join our team in Annapolis Junction, MD!

Be part of the movement!  Join a large seven-year multi-program contract serving as the enterprise-wide analyst capabilities contract for an Intelligence Community (IC) customer. These efforts will include the development and sustainment of integrated, feature-rich capabilities that promote the modernizing of visualization and presentation tools across the agency space.

Joining our team could be a once-in-a-lifetime opportunity to reshape the way our customers perform their mission.

To be successful as a Sr. ISSO (Systems Administrator), you will need:

  • Bachelor’s degree in a technical discipline from an accredited college or university AND 10 years’ experience in a technical discipline OR 5 additional year of experience in lieu of degree
  • Active TS/SCI with Polygraph required
  • At least one ISS related certification (Security+, CISSP, CISM, etc.) 
  • Maintain accreditation through updating documentation and ensuring all systems are meeting security and policy requirements
  • Apply required security patches, make regular updates to deployed software, and manage user accounts
  • Monitor and maintain existing network and system infrastructure consisting of Linux, UNIX, and Windows servers and desktops
  • Provide Tier 1 and Tier 2 problem identification, diagnosis, and resolutions
  • Secure infrastructure using AWS/OpenStack security groups, firewall configurations, and SSL/PKI
  • Strong background in supporting the Agency System Security Certification and Accreditation (C&A) Processes to include discovery meetings, achieving Interim Approval for Test (IATT), and obtaining the final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all the mission systems 
  • Expertise with Agency C&A policy and procedures 
  • Expertise with Agency C&A Tools such as XACTA
  • Experience in providing support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system, program, and enclave 
  • Experience maintaining records on the workstation, servers, router, firewalls, network switches, etc. 
  • Strong knowledge of SSP related documentation and maintenance to include COOP plans, SECONOP, CM manual, and PUG 
  • Strong understanding of NESSUS Scan Policy/Security Center, and the Agency Secure the Enterprise (STE) requirements and implementations (A/V, TSAC, UAM, etc) 
  • Expertise in coordinating, implementing, and enforcing ISS policies, standards, and methodologies 
  • Proven technical troubleshooting and security performance tuning knowledge
  • A strong understanding of vulnerability assessments and penetration testing to include how to best deal with findings
  • Conducting root cause analysis on security issues with other ISSOs, ISSE, ISSM, DAO, and SAs

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.
  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.
  • We offer competitive benefits and learning and development opportunities.
  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.
  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.


Job Location

US-Annapolis Junction-MD-BALTIMORE


CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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