Senior Systems Administrator

PEAKE is a fast-growing technology company based in Maryland. We are looking for a self-motivated individual to join our Team immediately as a Senior Systems Administrator in Arlington, VA. Active Top Secret DoD Security Clearance (SCI ELIGIBLE) is required to start.


**Systems Operations, Administration, and Maintenance**

The candidate will operate and maintain all production, test, and development systems at SITE-R. The candidate will perform system administration activities to include account management, monitoring and management of system resources (CPU, memory, disk, etc), monitoring and auditing system logs, backup and recovery, continuity of operations, security, managing operating systems, and storage management. The candidate will test and install operating system, COTS, and GOTS upgrades and patches and Information Assurance Vulnerability Alerts (IAVAs) in a timely manner consistent with security, information assurance, and established change control requirements.

  • Server Operation and Management. The candidate will augment the management of JSSC’s data center environment (hardware and software) to ensure maximum availability for JSSC customers. The candidate will maintain server operating systems, COTS, and GOTS software at the versions required by the JSSC.
  • Desktop/Client Operation and Management. The candidate will support the Desktop/Client management, operation, and maintenance of all enterprise clients in the JSSC enterprise in accordance with established procedures. This includes but is not limited to setup/ installation/replacement, software and peripheral upgrades, service requests, and troubleshooting.
  • The candidate will provide Tier II Service Desk Support/subject matter expertise during normal business hours as defined in section 4.2.1 and provide on-call support as needed. The candidate will follow established help desk standard operating procedures and provide service desk support to include, but not be limited to, the following areas:
  • Windows Server/Desktop Administration (predominantly)
  • Sun/Solaris Server Administration
  • Oracle Database Administration
  • C2 (currently of GCCS-J 4.X) Application Support
  • Joint Operation Planning and Execution System (JOPES)
  • Status of Resources and Training System (SORTS)
  • Common Operational Picture (COP)
  • Integrated Imagery and Intelligence (I3) and other C2 applications as required (including GCCS-T)
  • NCCS Server and Application Support

Optional Skills:

  • Experience with C2 Global WARFIGHTER systems such as:
  • Global Command & Control System(GCCS),
  • Global Command & Control System-Top Secret(GCCS-T) system
  • Joint Operation Planning and Execution System (JOPES)
  • Status of Resources and Training System (SORTS)Common Operational Picture (COP)


  • (10) years of experience, of which four (4) years are specialized, directly applicable experience with complex DoD systems/applications.
  • At least seven (7) years’ specialized experience as a systems administrator Windows platforms; Senior-level system administration skills in Windows and some UNIX/Linux; work will be 70/30 split between Unix and windows-based systems

Required Certifications:

  • Design, development, coding, and testing of interface scripts using high-level languages/tools (Perl, PHP, Apache Web Server, Unix shell scripting, SQL)
  • System build/replication tools (jumpstart, flarcreate, ghost)
  • Commercial enterprise management software (Tivoli)
  • Specialized experience includes work on or knowledge/experience of Defense Information Infrastructure Common Operating Environment (DII-COE),
  • DoD 8570 IAT Level II Compliant (Security+ certification) or greater (CISSP, CCSA/CCSE/CCSP)

PEAKE offers great benefits to employees, including:

  • Pleasant work environment
  • Opportunity for advancement within company
  • Medical/dental/vision insurance for eligible, full-time employees
  • Flexible Paid Time Off (PTO), Holidays and retirement planning for eligible, full-time employees

Employees are hired based solely on PEAKE personnel requirements and the qualifications of each individual candidate. We do not tolerate nor condone discrimination due to age, race, color, religion, sex, national origin or disability. We will comply with the spirit and letter of all local, state and federal laws pertaining to employment. Furthermore, we will not discriminate due to age, race, color, religion, sex, national origin or disability when making decisions regarding termination of employees.

Job Type: Full-time

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