Cybersecurity Expert for Enterprise Linux Environments

3 weeks ago


Huntsville, Alabama, United States Leidos Full time

Leidos, a leading provider of innovative solutions in defense and intelligence, national security, health, and civil sectors, is seeking a highly skilled Senior Linux Systems Administrator to support the FBI's cross-domain system (CDS).

This critical role involves providing Operations & Maintenance support on existing CDS systems, ensuring secure access to sensitive data. The ideal candidate will join a small team responsible for deploying new systems, integrating new technologies and services, and troubleshooting data flows using diverse skills in system engineering, administration, management, and security.

The selected candidate will have significant direct contact with the immediate customer and the organization's CDS staff, working in a 24/7 environment at one of three designated FBI processing facilities.

Primary Responsibilities:

  • Manage systems in a VMWare environment
  • Install COTS/GOTS and custom software, firmware updates, operating system patches of CDS guards, and antivirus software updates
  • Monitor the systems for possible system problems
  • Resolve system problems by analyzing the problem for resolution paths, implementing solutions, and/or working with vendors to resolve issues
  • Respond and resolve incident tickets within required response times
  • Run scripts to gather production system metrics and statistics
  • Set-up/maintain user accounts
  • Support system security vulnerability scan activities
  • Participate in program standup meetings to discuss system status, technical issues, or coordinate production system changes

Basic Qualifications:

  • Experience working on a team and helping team member's complete tasks in support of IT systems
  • BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience
  • Linux system administration experience demonstrated in a large complex enterprise environment
  • Understanding of and/or experience in network administration, installation of networking appliances, cabling and cable termination in a large enterprise IT environment
  • Demonstrated ability to stay organized, follow written instructions or technical guides, and able to prioritize tasks to maintain, deploy of IT systems
  • Ability to provide and support data center activities including, but not limited to, rack and stacking equipment, pull cable, and terminating cables
  • Experience with Virtual Environment administration
  • The ability to quickly adapt to new system environments and interface with systems. An interest in working on a broad range of problems and technology and as part of a multi-disciplinary team.
  • Ability to work independently and at times as only Leidos representative working directly with customer IT team
  • Follow change management processes, which may include updating technical documentation
  • Demonstrate good judgement and written/verbal communications
  • The candidate hired for this role must be able to lift up to 35lbs multiple times on a daily basis

Preferred Qualifications:

  • Experience in testing complex IT systems
  • Experience in system integration, test, debug of COTS/GOTS systems. Strong analytical and troubleshooting skills to integrate new capabilities
  • Experience with Virtual Environment administration, specifically the installation, configuration, and management of: Type 1 hypervisors (ESXi, KVM, others), Virtual Machine configurations, and VM Management environment (e.g. Vcenter/Vsphere and associated networking and storage)
  • Proficiency in installing, hardening, patching, backup and restore of Linux systems
  • Experience with system hardening (STIGS)
  • Experience with or familiarity with Apache Nifi (Niagrafiles)
  • Experience in networking, particularly system integration of physical/virtual servers with routers and firewalls in current data center environments
  • Integration of one or more cross domain products (guards, one-way transfers, multi-level access solutions)
  • Ability to perform bare metal server builds, backup/restore
  • Integrating with typical IT support infrastructure services: LDAP, Active Directory, log archive
  • Various security products, security architecture, security assessment tools, and information assurance standards
  • Small scale development of script level routines: languages (shell script, Perl)

We offer a competitive salary of $112,450.00 - $203,275.00 annually, commensurate with experience and qualifications. This estimate reflects industry standards and requirements for this position.



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