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Second 61 LLC

Systems Engineer - Journeyman

O'Fallon, IL

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hirly's read of this role

Seniority
Mid level
Country
US
Work mode
On-site / unstated
First seen by hirly
26 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Description

Second-61: Our foundation is built upon the heart of patriotism; grounded in protecting that which matters most as Vigilant Defenders. We look forward to meeting you and sharing our mission to love and honor each other, our community, our country, and our customers, through superb services as their front-line Vigilant Defenders.

Position Overview: We’re hiring a Systems Engineer to work at Scott Air Force Base located near O’Fallon, IL. In this role, you will provide system engineering experience to maintain, configure, and reliably operate network servers, server virtualization systems, laptops, desktops, VDI, and supporting software/hardware.

Location and Hours:

  • On-site at Scott Air Force Base, near O'Fallon, IL
  • Usual business hours M-F, however, employee may be required to provide after-hours and weekend support during planned or emergency events.

Duties and Responsibilities:

  • Installing, configuring, testing, and maintaining operating systems (Windows), application software (Apache Java) and system management tools.
  • Proactively ensure the highest levels of systems and infrastructure availability.
  • System vulnerability remediation and reporting.
  • Liaise with vendors and other IT personnel for problem resolution.
  • Interact with government service owners, network technicians, customers, service desk, etc. to resolve issues or meet new requirements.
  • Proven working experience in installing, configuring, and troubleshooting Windows based environments.
  • Perform server administration tasks to include user/group administration, security permissions, group policies, print services, and resource monitoring, ensuring system architecture components work together seamlessly.
  • Perform patch management activities to maintain security and upgrade software to newer versions as needed.
  • Create troubleshooting and maintenance procedures.
  • Document changes and incidents
  • Coordinate and implement a routine server maintenance plan.
  • Maintain up-to-date, accurate documentation of the enterprise server infrastructure. Keep track of the inventory and location of systems.
  • Support exercise systems
  • Support ~10 exercises a year
  • On-call on-site support required
  • Ensure availability of 24/7 systems support both on-site during normal work hours and on-call during off-hours.

Requirements

Required Certifications and Education:

  • Bachelor's Degree in Computer Sciences or relevant field
  • One of these IAT Level II certifications: Security+, CCNA-Security, CySA+ **, GICSP, GSEC, CND, SSCP
  • A Computing Environment (CE) certification or certificate for the technical area of responsibility in either Network support/defense (e.g., Splunk, Cisco, McAfee, etc.) OR Operating System (e.g., Microsoft, Linux, Solaris, etc.)

Required Experience, Knowledge, and Skills:

  • Minimum of four years of relevant experience
  • Must possess competencies in installation, service design, and support in an environment that uses Microsoft Windows Server 2012/2016.
  • Experience with production environments.
  • Must be able to work independently and as part of a team.
  • Must be available to participate in on-call work on a reoccurring basis.
  • Solid troubleshooting skills and demonstrated ability of end-to-end problem management and ownership.
  • Excellent written and oral communication skills.
  • Working knowledge of authentication functions and protocols such as LDAP, Kerberos, and Active Directory.

Preferred Experience, Knowledge, and Skills:

  • Master's Degree in relevant field of study
  • Ten (10) or more years of experience
  • ITIL V4 Foundations certification
  • One of the IAM Level II certifications: CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO, HCISPP

Security Qualifications:

  • Position is only open to US Citizens
  • Active DoD Secret Security Clearance

All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations, and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements.

Original posting on Second 61 LLC's site ↗

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Systems Engineer – Second 61 LLC · O'Fallon, IL | hirly.me