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Network Engineer, Principal

Jacobs is one of the world’s largest and most diverse providers of full-spectrum technical, professional and construction services for industrial, commercial and government organizations globally. The company employs over 74,000 people and operates in more than 40 countries around the world.

Jacobs Technology is seeking a Network Engineer, Principal to support the Electronic Proving Ground (EPG) contract at Fort Huachuca, AZ.

The System Administrator is responsible for administering the local DoD network servers and workstations including Windows, Unix/Linus server, virtual machines, threat instrumentation systems and user workstations in accordance with the authoritative US Government (USG) requirements documents including (but not limited to): DoDD 8140.01, DoDD 8570.01-M, CNSSI 1253, NIST-FIPS199, NIST SP800-53, AR 25-2, DISA Security Technical Implementation Guidelines (STIGs), Computer Network Defense (CND) Directives, Operations Orders (OPORDS), etc.

Duties include responsibility for day to day operation and sustainment of IEWTD Information Systems to include (but not limited to):

  • Administer all server, workstations, routers, switches, firewalls, IDS/IPS, network and host based security systems.
  • Provide services and support required to establish and maintain Cyber Security over information technology hardware and software resident in all major IEWTD instrumentation assets.
  • Prepare documentation for the tri-year Risk Management Framework (RMF) accreditation.
  • Complete STIG checklists for: Servers, Operating Systems, Active Directory Forest/Domain, Workstations, Office Products, Network Appliances, Routers, Switches, Firewalls, etc.
  • Ensure anti-virus software is up to date and have the latest virus definition files, IAW CND Directives and STIGs.
  • Provide IT expertise for configuration changes affecting the systems/enclaves, document and notify ISSM/ISSO of any configuration changes and bring before configuration control board (CCB) for oversight before implementation.
  • Provide software patching for all servers and workstations.
  • Review scan results from NESSUS/ACAS/PVT scans that pertain to server and workstations.
  • Remediate CAT I / CAT II / CAT III finding associated with scans of servers and workstations.
  • Coordinate with ISSO/ISSM to update plan of action and milestones (POAM) and reflect open vulnerabilities associated with servers and workstations.
  • Develop remediation plans to include milestone completion dates and status updates, and include mitigation process for closed vulnerabilities.
  • Apply Information Assurance Vulnerability Assessment (IAVA) patches and updating the IAVA compliance to the Asset and Vulnerability Tracking Resource (AVTR) database.
  • Participate in CCB.
  • Immediately document and notify ISSM/ISSO of any irregularities in system operations and/or attacks compromises (Incident response participant).
  • Create and maintain user authentication accounts and privileges for all users of ITIS/I-TRON networks.
  • Periodic validation of the status of Cyber Security controls in place on accredited information system and provide general Risk Management Framework (RMF) Accreditation Process subject matter expertise to the Government technical representative when requested.
  • Maintain any DoD 8570.01 IAT Level 2 required Computing Environment certifications.

Education and Experience:
  • Bachelor Degree or equivalent 8+ years of relevant and recent experience with configuration, system administration and operation of network servers and workstations, including Windows and Unix/Linux servers and user workstations.
  • System Administrator experience with Microsoft Domain Controllers, Active Directory, DoD Host Based Security System (HBSS), DISA Assured Compliance Assessment Solution (ACAS).
  • Experience with server and workstation assessment and hardening using various information system security assessment/hardening tools – DISA STIGs, SCAP, ACAS, HBSS, Retina, Nessus, etc.
  • Professional demeanor, good interpersonal skills, and ability to excel in a high-paced multi-tasked environment.
  • Ability to act independently, prioritize tasks, and manage to schedule.
  • Strong communication skills with the ability to communicate effectively in both oral and written modes, and be able to author and present subject specific presentations. Comfortable with public speaking.
  • Must be willing and able to travel to other locations as required on occasion.
  • Must have an active/current Top Secret security clearance at time of hire.
Required Certifications:
  • DoD 8570.01 IAT Level 2 – requires one or more of the following Professional Certifications: CCNA Security, GICSP, GSEC, Security+ CE, SSCP, CSA+.
Desired Skills and Certifications:
  • In-depth knowledge of NIST special publications, CNSS policies and instructions, and other requirements documents associated with the Risk Management Framework (RMF).
  • Experience with Assessment & Authorization (A&A) under the RMF.
  • DoD8570.01 IAM Level 2 – requires one or more of the following Professional Certifications: CAP, CASP CE, CISM, CISSP (or Associate), GSLC.
  • DoD 8570.01 IAT Level 3 - requires one or more of the following Professional Certifications: CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH.

Essential Functions

Work Environment

Generally an office environment, but can involve inside or outside work depending on task. An inside environment may be a cubicle (considerations: close quarters, low to moderate noise, bright or dim lighting). Outside work may include various environmental conditions including warm and cold climates. Needs to be able to work well with co-workers, customer, and all levels of management. No hazards on job or unusual environmental conditions. Work site is located in Ft. Huachuca, AZ.

Physical Requirements

Exerts up to 20 lbs. of force occasionally, up to 10 lbs. of force frequently, or up to 5 lbs. of force constantly to move objects.

Equipment and Machines

Ability to operate office equipment such as a personal computer, printer, copy machine, telephone, fax machine and other equipment including desk supplies and other work related tools as required.


Regular work hours will be Monday-Friday 7:00AM to 4:00PM, subject to change based on test demands.

Punctuality and regular attendance are necessary to meet deadlines.

Other Essential Functions

Must demonstrate professional behavior at all times when dealing with customers, management and co-workers. Must have clear, concise and accurate communications skills in English, both verbal and written. Grooming and dress must be appropriate for the position and must not impose a safety risk to employees or others. Must maintain a positive work atmosphere by behaving and communicating in a professional manner. Independent personal transportation to office or work site is required. Travel to and from customer’s locations and the test fields may be required to support projects. This may involve airline travel. In some cases, accommodations can possibly be made for POV, if necessary. When operating any vehicle for work purposes, must wear seat belt and in addition, no cellular devices are to be used when vehicle is in motion. Must pass drug screen.


Jacobs is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. Jacobs does not discriminate in employment opportunities or practices on the basis of: race, color, religion, gender, national origin, age, sexual orientation, gender identity, disability, veteran status, or any other characteristic protected by country, regional, or local law.
Company Name:
Security Clearance:
Fort Huachuca, Arizona
United States
Not Specified
Job Number:

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