Senior Systems Administrator/Senior Information Systems Engineer

Significance is a woman-owned consulting firm serving the federal government. We are known for building trusted relationships within our teams and with our clients and hiring the highest-level experts who implement innovative solutions. We also like to have fun! Our focus on culture has contributed to Significance being named a Washington Business Journal Best Place to Work each of the last seven years.

Significance, Inc. is seeking a Senior Systems Administrator/Senior Information Systems Engineer with an active Secret Clearance in support of Marine Corps Installation Command (MCICOM, G4) located in Arlington, VA. Responsibilities include providing Subject Matter Expertise and technical support to MCICOM G4, Food Service in support of the Marine Corps Financial Management Information System. In this position, you will be required to provide the following:

• Administers, maintains, patches, and sustains enterprise systems
• Supports Windows, Oracle, Citrix environments
• Performs system maintenance and upgrades
• Coordinates with IA, S6/G6, and external vendors
• Ensures compliance with DoD cybersecurity policies
• Provides onsite operational support and troubleshooting
  
  
  

Required Skills:

• Oracle-based system administration
• POS back-office system support
• Windows OS patching and technical refreshes
• MCEN Active Directory / OU interaction
• Information Assurance (IA) coordination
• Vendor liaison responsibilities
• Onsite support and sustainment
• SECRET clearance
  
  
  

Desired Skills:

• Multi-environment Expertise: Experience working across diverse environments (e.g., Windows, Citrix, MCEN) to ensure seamless integration and support for complex systems like MCFMIS.
• Security Compliance Management: Familiarity with DOD and Marine Corps security policies, and the ability to assist with security compliance tasks such as Risk Management Framework (RMF) accreditation and maintaining system ATO.
• Advanced Troubleshooting: Strong troubleshooting abilities for resolving technical issues related to MCFMIS, POS systems, and network infrastructure in a timely manner, particularly under tight deadlines.
• Project Coordination & Management: Ability to manage and coordinate technical refreshes, updates, patches, and system upgrades across multiple locations while maintaining operational continuity.
• Cross-functional Collaboration: Excellent communication skills to serve as a liaison between vendors, IT teams, contractors, and the IA community to ensure all stakeholders are aligned on security and technical requirements.
  
  
  

$140,000 - $150,000 a year

At Significance, your base pay is one part of your total compensation package and is determined within a range. Our pay ranges are based on the local cost of labor benchmarks for each specific role, level, and geographic location.

We carefully consider a wide range of factors when determining compensation, including but not limited to experience; job-related skill sets; relevant education or training; and other business and organizational needs. The salary range listed is for the level at which this job has been scoped. In the event that you are considered for a different level, a higher or lower pay range would apply. This position is also eligible for a comprehensive and generous benefits package.

We are an E-Verify Employer

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https://www.e-verify.gov/sites/default/files/everify/posters/IER_RighttoWorkPoster.pdf

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.