Sr Systems Administrator

Posted 17 Days Ago
Be an Early Applicant
Springfield, VA
In-Office
Senior level
Cloud • Information Technology • Cybersecurity
The Role
Provide Tier 2/3 administration and support for Unix/Windows desktops, servers, storage, and networked systems; implement STIG-based security (Retina, HBSS); perform installs, troubleshooting, backups, disaster recovery, audits, and coordinate maintenance. Support DoD customers and maintain TS/SCI clearance standards.
Summary Generated by Built In
At INflow Federal, we’re not just building infrastructure—we’re shaping the future of national defense. We design and engineer secure, intelligent systems that empower mission success through the seamless integration of human insight and machine capability. With deep roots in Department of Defense (DoD) networks and a commitment to operational excellence, we deliver infrastructure that fuels advanced analytics, AI/ML, and data-driven decision-making at scale. Every project is an opportunity to tackle complexity head-on and build solutions that make a real-world impact. Join INflow and help lead the charge toward a smarter, more connected defense landscape.

About This Position:

As a Systems Administrator, you will work closely with both on-site and remote users to coordinate site visits and upgrades, provide on-site and remote resolution support for trouble calls and provide TIER 2/3 support of Unix/Windows workstations and servers, including Web servers, network attached storage devices, and stored data in support of business processing requirements.

At INflow Federal, you will have the opportunity to work on high-impact projects, leverage the latest technologies, and thrive in a culture that values creativity and collaboration. Your expertise will make a significant impact on our mission to support DoD customers with advanced technical solutions.

Duties and Responsibilities:

  • Systems administration of desktop and server systems connected to local and wide area networks.
  • Desktop system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local area system administration related functions.
  • Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and any processes related to these systems
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
  • Provide Tier 2 and Tier 3 problem identification, diagnosis and resolution
  • Provide support for the escalation and communication of status to agency management and internal customers
  • Install/load operating system and application software
  • Isolate and resolve hardware and software problems involving the applications, the operating system, the hardware, the communications infrastructure, or any combination thereof
  • Troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance
  • Perform software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in accordance with established policies, procedures and service level agreements; evaluation and installation of software/hardware patches and resolution of software related problems associated with COTS/GOTS products
  • Create and follow procedures to maintain and manage multiple linked databases including security, data safety and integrity, disaster recovery, and bulk data import/exports.
  • Conduct routine and emergency maintenance of assigned data center equipment.
  • Communicate/coordinate scheduled preventive maintenance windows with potentially impacted customers.
  • Collaborate and contribute to the development, administration, and testing of backup and recovery plans
  • Ensure systems are secure to STIG guidelines by utilizing tools such as Retina and HBSS
  • Maintain operational, configuration, and other standard operating procedures (SOPs).
  • Verify system availability with existing Enterprise tools

Additional Duties:

  • Develops technical solution for the management for software, hardware, configurations, and architecture. Provides interpretation to Systems matters that are moderately complex in nature.
  • Provide troubleshooting support for systems hardware and software issues that are highly complex.
  • Train end users on the proper use of hardware and software. May train large groups of end users.
  • Performs advance software installations and upgrades to operating systems and layered software packages.
  • Applies advanced knowledge in monitoring and tuning the system to achieve optimum performance levels.
  • Provides guidance to less experienced personnel on workstation/server data integrity matters and the implantation of standard software and hardware solutions.  
  • Leads complex data/media recoverability following a schedule of system backups and database archive operations.
  • Conducts advanced to complex hardware and software audits of workstations and servers to ensure compliance with established standards, policies and configurations guidelines.
  • Recognized subject matter expert in job area typically through advanced education and work experience. Established operational plans. Manages large projects with limited oversight form manager.  
  • Evaluates and assesses existing systems and plans long term strategies.

Desired Skills

  • Experience in the imagery intelligence domain a plus
  • Ability to create and modify scripts in multiple disciplines on Windows, Linux, and Solaris systems
  • Knowledge of the Customer's processes and procedures and of the Customer's production systems a plus
  • Ability to prioritize and execute tasks in a high-pressure environment.
  • Ability to function as a team member and independently
  • Prefer skills in one or more of the following: Window Server, Red Hat, IRIX, Solaris, Sybase, Informix, SQL, and Imagery Production Chain
  • General knowledge of database administration, network administration and possess network configuration management skills.

Required Education and Experience:

  • Bachelor's Degree and 5+ years of relevant experience or an equivalent combination of education and years of experience.
  • Must have Security+ certification or DoD 8570 Level II equivalent within 90 days of hire

Required Clearance

  • TS/SCI Clearance required and eligibility to obtain CI Poly

About INflow Federal
Founded in 2013, INflow Federal is a mission-driven small business delivering cutting-edge solutions in Network Modernization, Cybersecurity, and Data Modernization to support Joint Force operations across 20+ states. We’re proud to serve customers like the U.S. Navy, Marine Corps, and other federal agencies.

Our strength comes from our people—especially the Veterans who make up over 50% of our workforce. Through our Veteran Outreach Program and employee-first culture, we invest deeply in professional growth, well-being, and innovation.

Known for our agility, transparency, and integrity, INflow combines real-world experience with emerging technologies like AI/ML to help our customers lead in a rapidly evolving defense landscape. We empower both our employees and mission partners to stay ahead—driving smarter, faster, and more secure outcomes.

Citizenship Requirements
* Please note that INflow Federal is a defense contractor. Pursuant to our government contracts, candidates must be US Citizens to be considered for employment.

Other Notes
- Some travel may be required: Must have valid driver’s license and transportation. This is subject to change at the direction of the customer.
Other:
- Candidate must have the ability to lift up to 50 lbs.
Must have willingness to perform duties not listed in the job description as required by INflow and our customer.

Equal Opportunity Employer
Diversity and Inclusion
INflow provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This commitment applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, leaves of absence, compensation, and training. Job applicants and employees are evaluated solely on job-related qualifications and experience.

Top Skills

Backup And Recovery Tools
Cots
Gots
Hbss
Informix
Irix
Linux
Nas
Red Hat
Retina
Scripting
Solaris
SQL
Stig
Sybase
Web Servers
Windows
Windows Server
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The Company
Ashburn, , Virginia
44 Employees
Year Founded: 2013

What We Do

INflow Federal was founded in 2013. The “INflow difference” begins with a simple belief encompassing the importance of employee culture. We are obsessed with our people and have demonstrated year-over-year that our employee-focused approach leads to customer success.

As a leading Small Disadvantaged Business (SDB) innovator, we offer proven expertise in Network Modernization, Cybersecurity, Digital Modernization and Joint Force Mission Operations. We serve our federal government customers in over 20 states domestically to include the United States Navy (USN), United States Marine Corps (USMC), National Reconnaissance Office (NRO) and Joint Forces.

At INflow, US Military Veterans have continuously paved the path ahead for our customers. We developed a homegrown “Veteran Outreach Program” focused around attracting and hiring transitioning military personnel and has resulted in veterans representing over 50% of our company.

Simplifying the customer experience requires everyone within our organization to work together. Our leadership communicates transparently with our team on a regular basis with a commitment to do the right thing for all those we serve. Our customers recognize doing business with INflow means working with people who consistently deliver with agility, passion and integrity.

This is how INflow continues to evolve, grow and accompany our customers into the future of mission systems and operations.

Visit us at www.INflowFed.com.

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